1 00:00:08,880 --> 00:00:12,399 Speaker 1: Hey, welcome to Invention. My name is Robert Lamb and 2 00:00:12,440 --> 00:00:16,120 Speaker 1: I'm Joe McCormick. Robert, have you ever had the misfortune 3 00:00:16,760 --> 00:00:20,160 Speaker 1: of going to work having forgotten to brush your teeth 4 00:00:20,160 --> 00:00:23,800 Speaker 1: in the morning. First, No, you've never done it. No, 5 00:00:23,960 --> 00:00:27,040 Speaker 1: I just don't. I don't remember having done it. I 6 00:00:27,080 --> 00:00:30,000 Speaker 1: might have done this earlier on. But I've I've really, 7 00:00:30,120 --> 00:00:33,400 Speaker 1: I've been on a care the last ten years or so, 8 00:00:34,080 --> 00:00:37,920 Speaker 1: um where I've I've really put a focus on maintaining 9 00:00:38,200 --> 00:00:41,480 Speaker 1: proper dental hygiene. Yeah, you keep the mouth regiment under 10 00:00:41,520 --> 00:00:43,920 Speaker 1: the lash. Yeah. Like I'll go into to see my 11 00:00:44,000 --> 00:00:47,120 Speaker 1: dentist and the dentist will say, hey, what do you uh, 12 00:00:47,560 --> 00:00:49,240 Speaker 1: what's it like when you don't wear your mouth guard 13 00:00:49,240 --> 00:00:50,680 Speaker 1: at night? Because I wear a mouth guard at night 14 00:00:50,680 --> 00:00:53,880 Speaker 1: to keep from grinding my teeth. And and I when 15 00:00:53,920 --> 00:00:55,800 Speaker 1: they asked me this, they say, well, what do you 16 00:00:55,840 --> 00:00:57,680 Speaker 1: mean you tell me to wear this every night? I 17 00:00:57,760 --> 00:01:01,160 Speaker 1: wear it every night. So um so yeah, I I 18 00:01:01,200 --> 00:01:03,840 Speaker 1: try and follow everything to the letter. You are like 19 00:01:03,880 --> 00:01:06,320 Speaker 1: a monk. You are like a medieval monk with that 20 00:01:06,440 --> 00:01:09,240 Speaker 1: kind of discipline. I guess you know the fear of hell, 21 00:01:09,319 --> 00:01:11,959 Speaker 1: but in this case, the hell that I that I 22 00:01:12,000 --> 00:01:16,279 Speaker 1: am uh fearful of is a hell of lost teeth 23 00:01:16,440 --> 00:01:18,960 Speaker 1: or decaying teeth, et cetera. Oh, nasty mouth is a 24 00:01:19,080 --> 00:01:21,240 Speaker 1: kind of hell. I mean, when this has happened to me, 25 00:01:21,600 --> 00:01:26,280 Speaker 1: it feels so disgusting, and my mouth feels nasty and unhealthy, 26 00:01:26,360 --> 00:01:28,760 Speaker 1: and I assume my breath must be terrible, and I 27 00:01:28,840 --> 00:01:30,880 Speaker 1: assume that, like my teeth are all going to fall 28 00:01:30,920 --> 00:01:33,720 Speaker 1: out by six pm. It's it's just bad. And I 29 00:01:33,800 --> 00:01:37,840 Speaker 1: also feel like I have, I have made some seriously injurious, 30 00:01:37,959 --> 00:01:41,160 Speaker 1: irreparable mistake for my own dental health. I know that's 31 00:01:41,160 --> 00:01:44,679 Speaker 1: probably way over the line, but I I do feel 32 00:01:44,760 --> 00:01:48,400 Speaker 1: that way sometimes, And and brushing one's teeth can sometimes 33 00:01:48,480 --> 00:01:50,960 Speaker 1: feel I don't know if you share this, feel as 34 00:01:51,040 --> 00:01:57,160 Speaker 1: absolutely essential, as like biologically essential and primordial as sleeping 35 00:01:57,320 --> 00:01:59,760 Speaker 1: or breathing. You know that like if you don't do it, 36 00:02:00,080 --> 00:02:02,480 Speaker 1: something is deeply wrong with your body and you're not 37 00:02:02,640 --> 00:02:06,200 Speaker 1: living as you were meant to. Yeah, it's it's a 38 00:02:06,200 --> 00:02:08,680 Speaker 1: totally weird area that I've probably spent way too much 39 00:02:08,720 --> 00:02:12,960 Speaker 1: time contemplating. Because on one level, yes, when you're when 40 00:02:12,960 --> 00:02:15,480 Speaker 1: you're younger, older people tell you, hey, you need to 41 00:02:15,480 --> 00:02:17,240 Speaker 1: brush your teeth, you need to flash your teeth, you 42 00:02:17,240 --> 00:02:19,440 Speaker 1: need to do these things. And when you're young, you're 43 00:02:19,480 --> 00:02:21,480 Speaker 1: you're just kind of like, oh, yeah, yeah, I'll do 44 00:02:21,520 --> 00:02:23,120 Speaker 1: those things. I'll do those things some of the time. 45 00:02:23,720 --> 00:02:26,400 Speaker 1: Um it's and oftentimes as only as you get older 46 00:02:26,400 --> 00:02:28,680 Speaker 1: that you realize, oh, I need a double down on that, 47 00:02:28,880 --> 00:02:30,919 Speaker 1: or worse, I really should have listened to them back 48 00:02:30,960 --> 00:02:32,639 Speaker 1: in the day, back when I was younger. Well, you 49 00:02:32,639 --> 00:02:34,560 Speaker 1: don't want to be looking back and saying, oh, if 50 00:02:34,639 --> 00:02:37,680 Speaker 1: only I've done things differently, I wouldn't have goblin shark mouth. 51 00:02:38,400 --> 00:02:39,880 Speaker 1: And it also doesn't help that so many of us 52 00:02:39,880 --> 00:02:42,120 Speaker 1: are pet owners. And if you get older pets, then 53 00:02:42,160 --> 00:02:45,200 Speaker 1: you know the experience of your your your pet outliving 54 00:02:45,200 --> 00:02:49,520 Speaker 1: its teeth um because or having to pay for for 55 00:02:49,720 --> 00:02:52,040 Speaker 1: brushings for your various animals, having to get in there 56 00:02:52,040 --> 00:02:54,920 Speaker 1: and brush their teeth yourself, that sort of thing. You know. 57 00:02:55,040 --> 00:02:57,760 Speaker 1: I was wondering what happens if you just don't brush 58 00:02:57,760 --> 00:03:00,000 Speaker 1: your teeth. I have this fear that the bad things 59 00:03:00,120 --> 00:03:02,960 Speaker 1: will happen if I don't. But what actually happens if 60 00:03:03,000 --> 00:03:04,720 Speaker 1: you just say let it go for a year. And 61 00:03:04,760 --> 00:03:06,760 Speaker 1: there are actually quite a few articles about this. There 62 00:03:06,800 --> 00:03:09,480 Speaker 1: must be a thing people wonder pretty often. For example, 63 00:03:09,520 --> 00:03:11,600 Speaker 1: I was just reading an article in USA today that 64 00:03:11,720 --> 00:03:15,400 Speaker 1: interviewed a dentist and a spokesperson from the American Dental 65 00:03:15,400 --> 00:03:18,600 Speaker 1: Association named Matthew Messina about what would happen if you 66 00:03:18,639 --> 00:03:21,320 Speaker 1: stop brushing your teeth for a year, And for reference, 67 00:03:21,400 --> 00:03:24,760 Speaker 1: the the a DA, the American Dental Association recommends flossing 68 00:03:24,800 --> 00:03:27,760 Speaker 1: once a day and brushing twice a day. And that's 69 00:03:27,800 --> 00:03:31,240 Speaker 1: and that's what everyone should do um at least twice 70 00:03:31,240 --> 00:03:33,600 Speaker 1: a day. I say, do three if you can. But 71 00:03:33,919 --> 00:03:37,520 Speaker 1: everybody apparently has a different reaction to neglect of dental hygiene. 72 00:03:37,560 --> 00:03:40,800 Speaker 1: So there are probably some people out there, just depending 73 00:03:40,840 --> 00:03:44,600 Speaker 1: on your genes, your diet, your microbiome, various things about you, 74 00:03:45,000 --> 00:03:47,640 Speaker 1: that that could do this and wouldn't suffer all that 75 00:03:47,680 --> 00:03:50,840 Speaker 1: many consequences. Probably there are other people who would have 76 00:03:51,040 --> 00:03:55,200 Speaker 1: very negative consequences. But generally, on average, people who stopped 77 00:03:55,200 --> 00:03:57,360 Speaker 1: brushing their teeth for a year would be a lot 78 00:03:57,400 --> 00:03:59,680 Speaker 1: more likely to develop tooth decay in the form of 79 00:03:59,760 --> 00:04:03,000 Speaker 1: cab at ease, and more likely to develop periodontal disease 80 00:04:03,080 --> 00:04:05,920 Speaker 1: or gum disease, and both of these can be really bad, 81 00:04:06,000 --> 00:04:08,640 Speaker 1: They cause pain in the mouth, can cause tooth loss. 82 00:04:08,920 --> 00:04:12,040 Speaker 1: Uh So, a primary function of tooth brushing is to 83 00:04:12,160 --> 00:04:16,720 Speaker 1: just brush away bacterial formations on your teeth, and if 84 00:04:16,720 --> 00:04:19,520 Speaker 1: you don't brush that bacteria away, it can cause immune 85 00:04:19,560 --> 00:04:22,760 Speaker 1: system reactions, and the gums can potentially lead to a 86 00:04:22,800 --> 00:04:25,800 Speaker 1: host of other sort of secondary health problems in the 87 00:04:25,800 --> 00:04:27,839 Speaker 1: body which aren't even in the mouth. It can even 88 00:04:28,040 --> 00:04:30,840 Speaker 1: it's been linked to, say, pneumonia and heart attacks and 89 00:04:30,880 --> 00:04:33,159 Speaker 1: so forth. And then on the more esthetic side, you 90 00:04:33,200 --> 00:04:35,640 Speaker 1: of course have your teeth looking like you haven't brushed 91 00:04:35,640 --> 00:04:38,479 Speaker 1: them in a year, and chronic bad breath probably, But 92 00:04:38,600 --> 00:04:41,640 Speaker 1: sometimes I think about how my toothbrush, the toothpaste I use. 93 00:04:41,720 --> 00:04:45,240 Speaker 1: These are products of twenty first century industry, and if 94 00:04:45,240 --> 00:04:47,160 Speaker 1: you go back a few hundred years, people didn't have 95 00:04:47,320 --> 00:04:49,800 Speaker 1: products exactly like these. They might have had some other 96 00:04:49,839 --> 00:04:52,839 Speaker 1: things they did to their mouth, and we'll discuss those 97 00:04:52,880 --> 00:04:56,000 Speaker 1: in a bit. But what would it be like to be, say, 98 00:04:56,040 --> 00:04:59,839 Speaker 1: a fifteenth century peasant who just doesn't have a tooth 99 00:05:00,040 --> 00:05:03,520 Speaker 1: rush and toothpaste. Because our dental health and hygiene, as 100 00:05:03,560 --> 00:05:07,400 Speaker 1: we understand it is, is dependent upon this modern technology, 101 00:05:07,880 --> 00:05:10,960 Speaker 1: upon these inventions, and what did we do before those inventions, 102 00:05:11,000 --> 00:05:13,920 Speaker 1: because obviously there's like a base level, right of like 103 00:05:13,960 --> 00:05:17,080 Speaker 1: the animal level of maintaining your dental hygiene, in which 104 00:05:17,120 --> 00:05:20,479 Speaker 1: you use your tongue and maybe your nails to remove 105 00:05:20,640 --> 00:05:25,440 Speaker 1: and you know, dislodge bits of vegetable or flesh. But 106 00:05:25,440 --> 00:05:27,840 Speaker 1: but beyond that, what was there. That's one of the 107 00:05:27,839 --> 00:05:29,800 Speaker 1: things we're gonna talk about today, not only where does 108 00:05:29,839 --> 00:05:33,599 Speaker 1: modern toothpaste come from, but what past for toothpaste in 109 00:05:34,000 --> 00:05:37,400 Speaker 1: ages past and the relationship between why we use toothpaste 110 00:05:37,440 --> 00:05:40,159 Speaker 1: and what it actually does. I have to to admit 111 00:05:40,200 --> 00:05:42,600 Speaker 1: that the historical question here is something I always think 112 00:05:42,640 --> 00:05:45,320 Speaker 1: about whenever I'm watching a movie that's that has a 113 00:05:45,400 --> 00:05:49,279 Speaker 1: historical setting, especially if it's a big budget, modern Hollywood production, 114 00:05:49,600 --> 00:05:52,160 Speaker 1: because you inevitably have just somebody with you know, they've 115 00:05:52,160 --> 00:05:56,080 Speaker 1: they've put grime on their face, they're wearing splendid outfits, 116 00:05:56,160 --> 00:05:59,960 Speaker 1: but then their their teeth just shine like like the sun, 117 00:06:00,040 --> 00:06:03,440 Speaker 1: and they're just so pearly white. And I'll often say, 118 00:06:03,839 --> 00:06:05,560 Speaker 1: often call them out on that. I'd be like, oh, 119 00:06:05,640 --> 00:06:07,599 Speaker 1: that that doesn't seem right at all, like the teeth 120 00:06:07,600 --> 00:06:10,040 Speaker 1: in Brave Heart, And yeah, you know, to go in 121 00:06:10,080 --> 00:06:12,400 Speaker 1: the other direction, if you look at post apocalyptic films, 122 00:06:12,480 --> 00:06:15,280 Speaker 1: especially bad post apocalyptic movies from the eighties, the kind 123 00:06:15,279 --> 00:06:18,280 Speaker 1: of Mad Max rip offs that like Cannon films did, 124 00:06:18,760 --> 00:06:21,600 Speaker 1: like a Cyborg, the gen Claude Van Damn movie, You'll 125 00:06:21,600 --> 00:06:25,280 Speaker 1: get people living in this squalid future and they do 126 00:06:25,320 --> 00:06:27,680 Speaker 1: the thing where they take people who have normal, healthy 127 00:06:27,680 --> 00:06:30,800 Speaker 1: looking teeth and they just kind of rub grime on it, 128 00:06:30,839 --> 00:06:33,920 Speaker 1: like they've got these streaks of black across their teeth. 129 00:06:34,080 --> 00:06:37,160 Speaker 1: Like in the future, everybody just eats shoe polish. Well, 130 00:06:37,200 --> 00:06:39,440 Speaker 1: who knows. I mean, that's actually gonna gonna line up 131 00:06:39,440 --> 00:06:43,400 Speaker 1: in interesting ways with some of the earlier dental hygiene 132 00:06:43,440 --> 00:06:46,800 Speaker 1: inventions that will be discussing. That's true. I didn't even 133 00:06:46,800 --> 00:06:50,279 Speaker 1: think about that. People in Cyborg, those those black and 134 00:06:50,320 --> 00:06:53,719 Speaker 1: teeth could be a product of their their tooth cleaning regimen, 135 00:06:53,800 --> 00:06:56,200 Speaker 1: not a product of decay, right or you know that 136 00:06:56,240 --> 00:06:59,000 Speaker 1: has to do with their their tobacco usage. Who knows. 137 00:06:59,160 --> 00:07:01,920 Speaker 1: But another question and I have is, Okay, so if 138 00:07:02,040 --> 00:07:05,080 Speaker 1: we don't brush our teeth for a year or even longer, 139 00:07:05,440 --> 00:07:08,200 Speaker 1: some bad things can happen to our mouth. Which makes 140 00:07:08,240 --> 00:07:10,440 Speaker 1: me think that if you go back to prehistoric life, 141 00:07:10,560 --> 00:07:14,880 Speaker 1: people didn't really have much of anything, toothbrushes, toothpaste. Uh, 142 00:07:14,960 --> 00:07:17,800 Speaker 1: they probably didn't really brush their teeth much anyo. They 143 00:07:17,840 --> 00:07:20,000 Speaker 1: had fingers and like they had twigs to chew on. 144 00:07:20,040 --> 00:07:22,120 Speaker 1: They could probably rub around in their in their mouth 145 00:07:22,200 --> 00:07:24,440 Speaker 1: with their fingers if they felt like it. We don't 146 00:07:24,440 --> 00:07:27,640 Speaker 1: know how much they did that, but did prehistoric people's 147 00:07:27,720 --> 00:07:31,119 Speaker 1: just always have nasty mouth syndrome with teeth rotten away 148 00:07:31,120 --> 00:07:33,840 Speaker 1: by the time they were teenagers? Like, how did teeth 149 00:07:33,880 --> 00:07:37,840 Speaker 1: survive before we had modern dental care and dental hygiene equipment. 150 00:07:38,440 --> 00:07:40,840 Speaker 1: And I actually found a really interesting paper about this. 151 00:07:40,840 --> 00:07:44,280 Speaker 1: This was a paper published in Nature Genetics in by 152 00:07:44,480 --> 00:07:47,600 Speaker 1: Christina J. Adler at All a bunch of authors called 153 00:07:47,640 --> 00:07:52,239 Speaker 1: Sequencing Ancient calcified dental plaque shows changes in oral microbiota 154 00:07:52,320 --> 00:07:56,680 Speaker 1: with dietary shifts of the Neolithic and Industrial revolutions. And 155 00:07:56,720 --> 00:07:59,800 Speaker 1: so the takeaway of this paper is, despite not having 156 00:07:59,840 --> 00:08:04,120 Speaker 1: the dental hygiene methods that we do, prehistoric hunter gatherers 157 00:08:04,480 --> 00:08:07,600 Speaker 1: had pretty good teeth. They could probably pick at their 158 00:08:07,640 --> 00:08:10,320 Speaker 1: teeth with twigs and so forth, But they didn't have toothpaste, 159 00:08:10,360 --> 00:08:13,480 Speaker 1: they didn't have toothbrushes, they didn't have dentists, So how 160 00:08:13,480 --> 00:08:16,960 Speaker 1: did their teeth survive And the answer appears to be 161 00:08:17,160 --> 00:08:19,840 Speaker 1: their teeth were pretty healthy because they survived on a 162 00:08:19,920 --> 00:08:23,200 Speaker 1: totally different diet than we do now. Yeah. Indeed, think 163 00:08:23,240 --> 00:08:26,560 Speaker 1: of all the coffee and sugary sodas that they were 164 00:08:26,640 --> 00:08:29,840 Speaker 1: not consuming. I think it seems like sugar is a 165 00:08:29,880 --> 00:08:32,880 Speaker 1: big part of this equation because much of our oral 166 00:08:32,920 --> 00:08:36,360 Speaker 1: health depends on the relationship with the microbial organisms that 167 00:08:36,400 --> 00:08:38,880 Speaker 1: live in our mouths. It's kind of fun to think 168 00:08:38,880 --> 00:08:42,840 Speaker 1: about the fact that your mouth is an ecosystem. Yeah. Yeah, 169 00:08:42,880 --> 00:08:45,200 Speaker 1: And and sugar is something that you're you're only really 170 00:08:45,200 --> 00:08:48,839 Speaker 1: supposed to find so much of in the wild. Our 171 00:08:49,040 --> 00:08:51,440 Speaker 1: modern candy bars just throw all that out of whack. 172 00:08:51,720 --> 00:08:54,400 Speaker 1: And my my father, I should mentioned, was a dentist 173 00:08:54,880 --> 00:08:57,200 Speaker 1: and u in. One of the things he always told 174 00:08:57,920 --> 00:09:00,559 Speaker 1: my sisters and me was was, if you eat that 175 00:09:00,600 --> 00:09:02,320 Speaker 1: candy bar, it's just gonna write your teeth own, Like, 176 00:09:02,360 --> 00:09:04,040 Speaker 1: don't don't eat that candy bar. Don't eat it. We 177 00:09:04,040 --> 00:09:05,800 Speaker 1: still ate a lot of candy, but the message was 178 00:09:05,840 --> 00:09:10,880 Speaker 1: always there, like it's eating consuming too much sugar is 179 00:09:10,920 --> 00:09:14,559 Speaker 1: a road to garbage mouth. Well that you can assume 180 00:09:14,720 --> 00:09:16,960 Speaker 1: that that might be like one of those kind of 181 00:09:17,320 --> 00:09:20,960 Speaker 1: just uninformed parental warnings is just to scare you, the 182 00:09:21,000 --> 00:09:23,000 Speaker 1: same way they say, like don't if you watch too 183 00:09:23,080 --> 00:09:25,480 Speaker 1: much TV, you'll go cross eye. There's something like that. 184 00:09:25,520 --> 00:09:28,080 Speaker 1: You know, that's not really based in fact, but but 185 00:09:28,160 --> 00:09:31,200 Speaker 1: it does appear that that piece of advice is somewhat 186 00:09:31,240 --> 00:09:33,240 Speaker 1: based in fact that there does appear to be a 187 00:09:33,280 --> 00:09:37,920 Speaker 1: relationship between sugar consumption and poor oral health. Because if 188 00:09:37,960 --> 00:09:40,480 Speaker 1: you change what you eat, you also change what the 189 00:09:40,640 --> 00:09:44,400 Speaker 1: organisms in your mouth eat. It's an ecosystem. You're changing 190 00:09:44,440 --> 00:09:47,480 Speaker 1: what chemical energy profile is going into that ecosystem in 191 00:09:47,480 --> 00:09:51,680 Speaker 1: your mouth, and different microbes eat different things, change your diet, 192 00:09:51,800 --> 00:09:54,400 Speaker 1: and you might encourage a different crowd to take up 193 00:09:54,440 --> 00:09:58,800 Speaker 1: shop in your teeth. And so the prehistoric hunter gatherer 194 00:09:58,840 --> 00:10:03,400 Speaker 1: diet favored things like meat, vegetables, and nuts, and apparently 195 00:10:03,600 --> 00:10:06,320 Speaker 1: that is pretty friendly to your teeth. One of the 196 00:10:06,320 --> 00:10:08,840 Speaker 1: important things to keep in mind yeah here is that 197 00:10:09,440 --> 00:10:13,800 Speaker 1: inventions do not occur within a vacuum, and inventions are 198 00:10:13,840 --> 00:10:17,520 Speaker 1: affected by other inventions. And there's a pretty key invention 199 00:10:17,600 --> 00:10:21,400 Speaker 1: involved here. That invention, of course, would be agriculture. About 200 00:10:21,400 --> 00:10:24,280 Speaker 1: ten thousand years ago, Neil with the humans began the 201 00:10:24,360 --> 00:10:28,320 Speaker 1: farming Revolution, which caused a massive shift in the human diet. 202 00:10:28,360 --> 00:10:30,680 Speaker 1: If you were in one of these regions that was 203 00:10:30,760 --> 00:10:34,439 Speaker 1: sustained by farming, suddenly your diet would shift from things 204 00:10:34,480 --> 00:10:37,840 Speaker 1: like you know, meats, wild growing fruit and vegetables and 205 00:10:37,960 --> 00:10:42,439 Speaker 1: nuts and roots and all that into carbohydrate rich grains, 206 00:10:43,160 --> 00:10:46,880 Speaker 1: grain based breads and porridges and things like that. So 207 00:10:46,920 --> 00:10:51,000 Speaker 1: you're you're suddenly shifting your diet to this mainly carbon 208 00:10:51,120 --> 00:10:55,240 Speaker 1: driven thing. And then there's another shift that happens again 209 00:10:55,720 --> 00:10:59,240 Speaker 1: once again due to technology. Uh, the Industrial Revolution brings 210 00:10:59,240 --> 00:11:03,040 Speaker 1: about the wide spread availability of processed flour and sugar 211 00:11:03,200 --> 00:11:06,640 Speaker 1: around say eighteen fifty or so. And so this study 212 00:11:06,679 --> 00:11:08,720 Speaker 1: that I mentioned a minute ago, it looked at thirty 213 00:11:08,800 --> 00:11:12,000 Speaker 1: four early European skeletons to show that the transition from 214 00:11:12,000 --> 00:11:15,760 Speaker 1: the hunter gatherer diet to farming quote, shifted the oral 215 00:11:15,840 --> 00:11:22,320 Speaker 1: microbial community to a disease associated configuration. And apparently around 216 00:11:22,360 --> 00:11:26,840 Speaker 1: the Industrial Revolution, carryogenic bacteria, which is bacteria that causes 217 00:11:26,880 --> 00:11:31,719 Speaker 1: tooth decay, became dominant in our mouths, and mouth microbiota 218 00:11:31,800 --> 00:11:34,280 Speaker 1: are much less diverse now, which may be the cause 219 00:11:34,559 --> 00:11:37,079 Speaker 1: of all the chronic oral disease we see in wealthy 220 00:11:37,120 --> 00:11:41,720 Speaker 1: industrial societies today. It's a case where innovations and innovations 221 00:11:41,800 --> 00:11:44,960 Speaker 1: unbalanced things, and then we have to create other inventions. 222 00:11:45,000 --> 00:11:47,360 Speaker 1: We have to come up with with with various schemes 223 00:11:47,640 --> 00:11:51,600 Speaker 1: to try and rebalance everything. Yeah, exactly. So one of 224 00:11:51,600 --> 00:11:54,320 Speaker 1: the authors of that paper was Alan Cooper, director of 225 00:11:54,400 --> 00:11:59,120 Speaker 1: the Australian Center for Ancient DNA, and so, speaking to NPR, 226 00:11:59,360 --> 00:12:02,719 Speaker 1: he said, quote, what you've really created is an ecosystem 227 00:12:02,760 --> 00:12:06,000 Speaker 1: which is very low and diversity and full of opportunistic 228 00:12:06,040 --> 00:12:09,600 Speaker 1: pathogens that have jumped in to utilize the resources which 229 00:12:09,600 --> 00:12:12,760 Speaker 1: are now free. And as a result, of course, what 230 00:12:12,840 --> 00:12:16,560 Speaker 1: happens is that the mouth is constantly fighting these microbes 231 00:12:16,600 --> 00:12:19,520 Speaker 1: that live inside it. Uh to quote Cooper again, quote 232 00:12:19,640 --> 00:12:23,240 Speaker 1: you're walking around with a permanent immune response, which is 233 00:12:23,280 --> 00:12:26,240 Speaker 1: not a good thing. It causes problems all over the place. 234 00:12:26,600 --> 00:12:28,760 Speaker 1: This reminds me of of of of one of my 235 00:12:28,800 --> 00:12:32,520 Speaker 1: favorite quotes from Tina Fey that was in her her autobiography. 236 00:12:33,040 --> 00:12:36,120 Speaker 1: She's talking about the experience of growing older and waking 237 00:12:36,160 --> 00:12:38,600 Speaker 1: up in the morning and just having this horrible taste 238 00:12:38,600 --> 00:12:42,440 Speaker 1: in your mouth, and she uh surmised that quote the 239 00:12:42,520 --> 00:12:45,640 Speaker 1: mouth dies first, and it makes sense that it would 240 00:12:45,679 --> 00:12:48,200 Speaker 1: be of them. The mouth is just this constantly just 241 00:12:48,360 --> 00:12:51,240 Speaker 1: ground zero for this war against pathogens. Well, this is 242 00:12:51,280 --> 00:12:54,240 Speaker 1: just one front on which we're seeing more and more 243 00:12:54,280 --> 00:12:58,839 Speaker 1: evidence that our microbiome, the microbes that live within us 244 00:12:58,880 --> 00:13:02,240 Speaker 1: and on us, really do affect our health in in 245 00:13:02,320 --> 00:13:06,280 Speaker 1: pretty extreme ways that we haven't really recognized until very 246 00:13:06,320 --> 00:13:09,360 Speaker 1: recent times. But anyway, what all this so far tells 247 00:13:09,440 --> 00:13:13,720 Speaker 1: us is that it's not necessarily a fact of nature 248 00:13:14,160 --> 00:13:17,880 Speaker 1: that animals just have to brush their teeth with toothpaste 249 00:13:17,920 --> 00:13:21,400 Speaker 1: and floss and stuff. I mean, it can be good 250 00:13:21,440 --> 00:13:24,240 Speaker 1: for animals to clean their mouths, right, Oh yeah, I 251 00:13:24,240 --> 00:13:26,400 Speaker 1: mean it's it's worth noting that cleaning your teeth is 252 00:13:26,440 --> 00:13:29,040 Speaker 1: not merely a human thing. I mean, you just think 253 00:13:29,080 --> 00:13:31,360 Speaker 1: about how we might again dislodge food with you with 254 00:13:31,400 --> 00:13:34,320 Speaker 1: a tongue or or a nail in some cases. And 255 00:13:34,480 --> 00:13:37,400 Speaker 1: certainly there are other creatures that may do the same. Uh. 256 00:13:37,679 --> 00:13:41,800 Speaker 1: Tooth grooming even with tools has been observed among chimpanzees. 257 00:13:41,840 --> 00:13:45,440 Speaker 1: So they might use twigs for close work when fingers 258 00:13:45,480 --> 00:13:47,760 Speaker 1: won't cut it. But do they stand outside the olive 259 00:13:47,760 --> 00:13:49,840 Speaker 1: garden with that twig hanging out of their mouth in 260 00:13:49,880 --> 00:13:52,959 Speaker 1: the parking lot holding a styrofoam clamshell. Uh no, I 261 00:13:52,960 --> 00:13:55,240 Speaker 1: don't believe they do. But but they're not there yet 262 00:13:55,360 --> 00:13:58,000 Speaker 1: as a species. But from these results, it seems pretty 263 00:13:58,000 --> 00:14:01,600 Speaker 1: clear that what what's going on is that we have 264 00:14:01,880 --> 00:14:07,000 Speaker 1: created through our technology a need for an oral hygiene 265 00:14:07,080 --> 00:14:10,400 Speaker 1: regime that was that was not necessarily there in our 266 00:14:10,400 --> 00:14:13,560 Speaker 1: wild existence. And so how how do we cope with 267 00:14:13,640 --> 00:14:18,120 Speaker 1: this new microbiome in our mouths, this new more hostile 268 00:14:18,160 --> 00:14:21,160 Speaker 1: ecosystem between the teeth and the gums. Yeah, when we 269 00:14:21,200 --> 00:14:23,600 Speaker 1: look into the look back into the deeper history of 270 00:14:23,680 --> 00:14:27,600 Speaker 1: toothpaste itself, um, it seems pretty clear that that people 271 00:14:27,640 --> 00:14:31,960 Speaker 1: were figuring out things they could do pretty early on. Um, 272 00:14:32,240 --> 00:14:35,800 Speaker 1: in terms of recorded history. Uh, it's thought that Egyptians 273 00:14:35,880 --> 00:14:40,280 Speaker 1: probably started using uh something like toothpaste is as long 274 00:14:40,320 --> 00:14:43,840 Speaker 1: ago is maybe five thousand uh BC. And also we 275 00:14:43,880 --> 00:14:46,920 Speaker 1: see evidence for this among the ancient Greeks, the Romans, 276 00:14:47,360 --> 00:14:50,960 Speaker 1: the ancient Chinese, the ancient Indians. Yeah, there there is 277 00:14:51,000 --> 00:14:53,640 Speaker 1: a long tradition of I mean, one of one of 278 00:14:53,680 --> 00:14:56,160 Speaker 1: the things you see if you go back into the 279 00:14:56,200 --> 00:15:00,920 Speaker 1: ancient world as medical manuals and and like more magical 280 00:15:01,040 --> 00:15:04,840 Speaker 1: edging kind of potion manuals and these things may sometimes 281 00:15:05,120 --> 00:15:07,840 Speaker 1: give you recipes for what to do with the mouth. 282 00:15:07,840 --> 00:15:09,680 Speaker 1: A lot of times there will be like a powder 283 00:15:09,760 --> 00:15:12,240 Speaker 1: or something it'll tell you to grind up and you 284 00:15:12,320 --> 00:15:15,000 Speaker 1: rub that on the teeth to clean them. Yeah. I 285 00:15:15,040 --> 00:15:19,160 Speaker 1: was actually reading in a book, uh title Clean, a 286 00:15:19,280 --> 00:15:22,080 Speaker 1: History of Personal Hygiene Impurity by Virginia Smith, which is 287 00:15:22,160 --> 00:15:25,160 Speaker 1: a really excellent book that I've referred to on podcasts 288 00:15:25,160 --> 00:15:28,160 Speaker 1: in the past. But she mentions that the ancient Egyptians 289 00:15:28,200 --> 00:15:31,520 Speaker 1: indeed had to deal with dental problems and that this 290 00:15:31,640 --> 00:15:35,080 Speaker 1: is ultimately one of the quote problems of civilization. Uh, 291 00:15:35,120 --> 00:15:37,240 Speaker 1: you know, getting back again to the the idea that 292 00:15:37,280 --> 00:15:42,040 Speaker 1: the the agricultural revolution created some of these problems for us. 293 00:15:42,600 --> 00:15:45,560 Speaker 1: She says that it's likely that excess consumption of honey 294 00:15:45,600 --> 00:15:48,640 Speaker 1: and sugar likely impacted that at least the wealthy in 295 00:15:48,800 --> 00:15:52,680 Speaker 1: Egyptian society, but that many ancient Egyptians had teeth that 296 00:15:52,760 --> 00:15:55,920 Speaker 1: were also worn down to the quick due to poorly 297 00:15:56,000 --> 00:15:59,840 Speaker 1: milled flour. Oh yeah, so if you have flower the 298 00:16:00,000 --> 00:16:02,640 Speaker 1: it's got like um, it's got like sand or grit 299 00:16:02,680 --> 00:16:05,360 Speaker 1: and mixed in it can actually wear down your teeth 300 00:16:05,400 --> 00:16:07,760 Speaker 1: from chewing on it. Yeah, So all you kids out 301 00:16:07,760 --> 00:16:09,800 Speaker 1: there that love to eat sand, and we're looking for 302 00:16:09,840 --> 00:16:13,200 Speaker 1: an excuse to stop eating sand. There you go, yeah, yeah, 303 00:16:13,600 --> 00:16:15,400 Speaker 1: if you get sand in your mouth of the beach, 304 00:16:15,680 --> 00:16:18,800 Speaker 1: do wash it out if it all possible, because it 305 00:16:18,840 --> 00:16:21,040 Speaker 1: gives me the olivers to think about the alternative fear. 306 00:16:21,240 --> 00:16:24,800 Speaker 1: So thinking about tooth what does toothpaste actually do? In fact, 307 00:16:24,880 --> 00:16:28,480 Speaker 1: toothpaste does something sort of like the sand and the bread, 308 00:16:28,560 --> 00:16:31,520 Speaker 1: except hopefully not as harsh on the teeth. Uh. It 309 00:16:31,640 --> 00:16:35,840 Speaker 1: fulfills functions related to both health and aesthetic. So on 310 00:16:35,880 --> 00:16:39,120 Speaker 1: the health side, it removes the build up of dental plaque, 311 00:16:39,120 --> 00:16:42,720 Speaker 1: which is a bacterial biofilm that grows on surfaces inside 312 00:16:42,760 --> 00:16:45,280 Speaker 1: the mouth, such as on teeth and around the gum line, 313 00:16:45,640 --> 00:16:48,640 Speaker 1: and that helps prevent tooth decay and gum disease. But 314 00:16:48,760 --> 00:16:51,000 Speaker 1: then the aesthetic side, of course, is that it also 315 00:16:51,040 --> 00:16:54,000 Speaker 1: helps prevent bad breath, It prevents you know, stinky mouth, 316 00:16:54,520 --> 00:16:57,240 Speaker 1: It helps keep the teeth appearing white and healthy, and 317 00:16:57,280 --> 00:17:00,440 Speaker 1: it also sometimes just provides a pleasant taste, which is 318 00:17:00,520 --> 00:17:04,120 Speaker 1: actually I think a more important factor in why people 319 00:17:04,200 --> 00:17:07,119 Speaker 1: use toothpaste than many of them realize. Now, back on 320 00:17:07,160 --> 00:17:08,680 Speaker 1: the health side, there are a couple of different things 321 00:17:08,680 --> 00:17:11,720 Speaker 1: that it does. On one hand, it's an abrasive kind 322 00:17:11,720 --> 00:17:14,280 Speaker 1: of like the sand or the grid or something that 323 00:17:14,400 --> 00:17:17,840 Speaker 1: helps rub the stuff away in the mouth. And on 324 00:17:17,880 --> 00:17:20,440 Speaker 1: the other hand, sometimes it has chemical aids as well, 325 00:17:20,520 --> 00:17:24,399 Speaker 1: Like an ingredient might be something like fluoride. Yes, fluoride, 326 00:17:24,640 --> 00:17:26,960 Speaker 1: that's an essential one as well. Well, we'll get back 327 00:17:26,960 --> 00:17:28,880 Speaker 1: to the importance of fluoride in a bit. Well, yeah, 328 00:17:28,920 --> 00:17:30,960 Speaker 1: that that'll be in the modern section. First, we gotta 329 00:17:31,000 --> 00:17:33,440 Speaker 1: tell you about what people used to do to their teeth, right, 330 00:17:33,440 --> 00:17:35,080 Speaker 1: And before we do that, we should probably take our 331 00:17:35,119 --> 00:17:38,200 Speaker 1: first break. But yeah, when we come back, we will. 332 00:17:38,600 --> 00:17:41,600 Speaker 1: We will jump in the time machine and brush our 333 00:17:41,640 --> 00:17:50,520 Speaker 1: teeth among the denizens of history. Robert, would you like 334 00:17:50,600 --> 00:17:53,760 Speaker 1: to go on a journey with me to twelveth century 335 00:17:53,800 --> 00:17:57,760 Speaker 1: Italy to find out what toothcare looked like? Then let's 336 00:17:57,760 --> 00:18:00,920 Speaker 1: do it, Okay. So I want to quote from the Trotula, 337 00:18:01,040 --> 00:18:04,240 Speaker 1: which is a famous collection of treatises on women's health 338 00:18:04,600 --> 00:18:08,200 Speaker 1: from medieval Italy. Translated this is a translation by Professor 339 00:18:08,240 --> 00:18:11,960 Speaker 1: Monica H. Green, And there are several entries in the 340 00:18:12,000 --> 00:18:15,160 Speaker 1: Trotula about what to do about problems with the teeth. 341 00:18:16,200 --> 00:18:19,280 Speaker 1: First of all, here's one for black teeth. Off to 342 00:18:19,320 --> 00:18:22,760 Speaker 1: a good start. Quote for black and badly colored teeth. 343 00:18:23,080 --> 00:18:26,760 Speaker 1: Take walnut shells well cleaned, if their interior rind, which 344 00:18:26,800 --> 00:18:30,120 Speaker 1: is green. And we rubbed the teeth three times a day. 345 00:18:30,480 --> 00:18:32,760 Speaker 1: And when they have been well rubbed, we washed the 346 00:18:32,800 --> 00:18:36,560 Speaker 1: mouth with warm wine and with salt mixed in if desired. 347 00:18:37,280 --> 00:18:39,760 Speaker 1: Do you swallow the wine? I would think not, not 348 00:18:39,840 --> 00:18:42,280 Speaker 1: with the salt thrown in there. But you know this, 349 00:18:42,280 --> 00:18:45,120 Speaker 1: this reminds me of episodes that we've recorded for Stuff 350 00:18:45,160 --> 00:18:47,840 Speaker 1: to About Your Mind, where we've talked about the history 351 00:18:47,840 --> 00:18:51,159 Speaker 1: of well cocktails, but also things that we're sort of 352 00:18:51,200 --> 00:18:54,159 Speaker 1: like cocktails that at least involved alcohol being mixed with 353 00:18:54,520 --> 00:18:59,200 Speaker 1: other substances, and very often those were magic potions or 354 00:18:59,240 --> 00:19:02,200 Speaker 1: some sort of medi snol mixture that was supposed to 355 00:19:02,240 --> 00:19:04,600 Speaker 1: aid you, and very often they did involve wine or 356 00:19:04,640 --> 00:19:08,800 Speaker 1: some other alcohol. It is striking how many of the 357 00:19:08,840 --> 00:19:14,040 Speaker 1: treatments of the past involved alcoholic beverages. It almost makes 358 00:19:14,080 --> 00:19:17,000 Speaker 1: you think that, like in some cases, the alcoholic beverage 359 00:19:17,040 --> 00:19:19,520 Speaker 1: may have been a sort of consolation prize for the 360 00:19:19,520 --> 00:19:22,800 Speaker 1: fact that the treatment does not generally work, or if 361 00:19:22,800 --> 00:19:25,119 Speaker 1: it had some kind of placebo effects. The placebo effect 362 00:19:25,200 --> 00:19:27,320 Speaker 1: might have been linked to the fact that the alcohol 363 00:19:27,400 --> 00:19:29,399 Speaker 1: gets you a little bit drunk. Yes, And and I 364 00:19:29,680 --> 00:19:32,520 Speaker 1: can't think about the salt aspect of this without thinking 365 00:19:32,560 --> 00:19:34,639 Speaker 1: of about some of the saltwater treatments that have been 366 00:19:34,640 --> 00:19:37,160 Speaker 1: employed in the past, where you're essentially you're you are 367 00:19:37,200 --> 00:19:40,399 Speaker 1: just drinking saltwater, maybe saltwater mixed with honey or milk 368 00:19:40,520 --> 00:19:43,880 Speaker 1: or something, but but just drinking a bunch of saltwater 369 00:19:43,960 --> 00:19:45,800 Speaker 1: to try and cure some ailment. Oh yeah, some of 370 00:19:45,800 --> 00:19:48,920 Speaker 1: the ancients actually thought that that could heal you of problems. Yeah, 371 00:19:48,920 --> 00:19:51,800 Speaker 1: and they're not so ancients, And I recall correctly. Uh, 372 00:19:51,840 --> 00:19:54,240 Speaker 1: here's another one. This is also from the trotula. This 373 00:19:54,280 --> 00:19:56,399 Speaker 1: one sounds more like this is for rich people. I 374 00:19:56,440 --> 00:20:00,720 Speaker 1: think quote for whitening black teeth and strengthen in corroded 375 00:20:00,840 --> 00:20:04,240 Speaker 1: or rotting gums, and for a bad smelling mouth. This 376 00:20:04,280 --> 00:20:07,919 Speaker 1: works the best. Take some each of cinnamon, clove, spike, 377 00:20:08,000 --> 00:20:14,639 Speaker 1: nord mastic, Frankinson's grain, wormwood, crab foot, date pits, and olives. 378 00:20:15,800 --> 00:20:17,880 Speaker 1: I'm not sure I know what crabfoot is. I think 379 00:20:18,080 --> 00:20:20,520 Speaker 1: crabfoot is a plant. I was looking it up. There 380 00:20:20,560 --> 00:20:22,639 Speaker 1: appears to be a plant that, at least in the 381 00:20:22,680 --> 00:20:26,040 Speaker 1: modern world, that is some kind of plant that may 382 00:20:26,080 --> 00:20:28,439 Speaker 1: be a parasitic plant that grows on the tea tree 383 00:20:28,560 --> 00:20:32,159 Speaker 1: or something that it's some modern people on the Internet 384 00:20:32,160 --> 00:20:34,199 Speaker 1: I've seen referred to as crab foot, But as to 385 00:20:34,280 --> 00:20:37,080 Speaker 1: this medieval reference, I don't know if it refers to 386 00:20:37,119 --> 00:20:40,359 Speaker 1: the same thing or something else, or to just crabs feet. 387 00:20:40,400 --> 00:20:42,440 Speaker 1: I would hope they would say foot of crab if 388 00:20:42,440 --> 00:20:45,120 Speaker 1: it were, if it were an actual foot of a crab. Yeah, 389 00:20:45,320 --> 00:20:46,639 Speaker 1: all right, we get all these together. What do we 390 00:20:46,680 --> 00:20:49,439 Speaker 1: do with them? Well, you grow, So, to resume the quote, 391 00:20:49,720 --> 00:20:52,360 Speaker 1: grind all of these and reduce them to a powder. 392 00:20:52,400 --> 00:20:55,760 Speaker 1: Then rub the affected places. Likewise, in order to make 393 00:20:55,760 --> 00:20:59,520 Speaker 1: black teeth white, take tin DRAMs of roasted pummice, tin 394 00:20:59,640 --> 00:21:03,120 Speaker 1: DRAMs of salt, two DRAMs each of cinnamon and cloves, 395 00:21:03,200 --> 00:21:06,199 Speaker 1: and honey as needed. Mix the pumice and salt with 396 00:21:06,240 --> 00:21:08,840 Speaker 1: a sufficient amount of honey, then place them on a 397 00:21:08,880 --> 00:21:12,000 Speaker 1: plain dish upon the coals until they burn, and reduce 398 00:21:12,080 --> 00:21:14,959 Speaker 1: the other spices to a powder. And when there is need, 399 00:21:15,200 --> 00:21:18,760 Speaker 1: rub the teeth. Well that doesn't sound all that bad. Well, yeah, 400 00:21:18,760 --> 00:21:21,199 Speaker 1: they're putting honey in there. I was like, wait a second, 401 00:21:21,200 --> 00:21:25,239 Speaker 1: you're brushing your teeth with honey. That sounds counterproductive. Well, 402 00:21:25,280 --> 00:21:27,520 Speaker 1: I think one possibility here and uh and I believe 403 00:21:27,520 --> 00:21:29,719 Speaker 1: I read this in reference to the ancient Egyptians is 404 00:21:29,760 --> 00:21:32,160 Speaker 1: that if you were to use honey in your toothpaste, 405 00:21:32,160 --> 00:21:35,560 Speaker 1: you would help hold everything together because if because with 406 00:21:35,600 --> 00:21:37,800 Speaker 1: all these ingredients like it sounds like it's coming together 407 00:21:37,880 --> 00:21:40,639 Speaker 1: as a powder. And certainly powders were employed, but the 408 00:21:40,640 --> 00:21:42,639 Speaker 1: difference between a powder and a paste is kind of 409 00:21:42,680 --> 00:21:45,479 Speaker 1: the the addition of some sort of viscous substance. Right 410 00:21:45,840 --> 00:21:49,520 Speaker 1: right now, For a few other recipes for ancient toothpaste 411 00:21:49,680 --> 00:21:55,480 Speaker 1: um which again various paste washes, toothpicks were used throughout Eurasia, 412 00:21:55,560 --> 00:21:58,399 Speaker 1: we have the ancient Egyptian evidence as well as pointed 413 00:21:58,400 --> 00:22:02,600 Speaker 1: out by a teen National Geographic article a fourth century 414 00:22:02,720 --> 00:22:06,080 Speaker 1: see recipe. Uh and I believe this was a This 415 00:22:06,160 --> 00:22:10,040 Speaker 1: was an Egyptian recipe called for a paste made from salt, peppermint, 416 00:22:10,400 --> 00:22:14,480 Speaker 1: and dried iris flower. Dennist Hines Newman actually tried this 417 00:22:14,560 --> 00:22:17,400 Speaker 1: out in two thousand three and reported that it made 418 00:22:17,440 --> 00:22:20,280 Speaker 1: his mouth feel clean and fresh, though it also made 419 00:22:20,280 --> 00:22:23,520 Speaker 1: his gums bleed. Still He said that this was probably 420 00:22:23,800 --> 00:22:25,919 Speaker 1: this probably would have been an improvement over some of 421 00:22:25,960 --> 00:22:29,360 Speaker 1: the the soap toothpaste that were used prior to World 422 00:22:29,400 --> 00:22:33,200 Speaker 1: War Two soap toothpastes. Yeah, And basically it's just a 423 00:22:33,480 --> 00:22:36,760 Speaker 1: reminder and we'll get into this uh as we progress 424 00:22:36,840 --> 00:22:40,680 Speaker 1: here that that really toothpaste as we know it. Uh, 425 00:22:40,840 --> 00:22:43,760 Speaker 1: the dental dental hygiene products as we know it are 426 00:22:43,840 --> 00:22:46,840 Speaker 1: really a post War War two phenomenon. Like that is 427 00:22:46,920 --> 00:22:49,760 Speaker 1: really where we enter the more or less modern age 428 00:22:49,840 --> 00:22:53,399 Speaker 1: of of dental hygiene. Fourteenth and fifteenth century England, you 429 00:22:53,440 --> 00:22:57,560 Speaker 1: had toothpaste made from honey, salt rye flour meal. Uh. 430 00:22:57,640 --> 00:22:59,879 Speaker 1: And the honey, as I mentioned earlier, this held it 431 00:23:00,000 --> 00:23:03,200 Speaker 1: all together and gave it flavor. Also from the from 432 00:23:03,200 --> 00:23:05,800 Speaker 1: the time period, you have toothpowder made from the burnt 433 00:23:05,840 --> 00:23:09,840 Speaker 1: branches of a broom plant mixed with burnt alum black. 434 00:23:09,880 --> 00:23:12,840 Speaker 1: And this is in a black, ashy substance that had 435 00:23:12,880 --> 00:23:16,879 Speaker 1: a likely just horrid taste. But maybe that's where you 436 00:23:16,880 --> 00:23:21,160 Speaker 1: know the black and teeth of post apocalyptic societies come from. Okay, 437 00:23:21,520 --> 00:23:23,679 Speaker 1: for some reason, this is the only the only thing 438 00:23:23,720 --> 00:23:26,040 Speaker 1: they know to go back to that they skip all 439 00:23:26,080 --> 00:23:28,120 Speaker 1: the other dental hygiene products, and they just go back 440 00:23:28,160 --> 00:23:30,879 Speaker 1: to this ashen mixture. We're out of guzzline. Time to 441 00:23:30,880 --> 00:23:34,560 Speaker 1: get out the blackened album. Now I mentioned the book 442 00:23:34,600 --> 00:23:39,520 Speaker 1: Clean earlier, and she concludes some interesting material on eighteenth 443 00:23:39,560 --> 00:23:43,199 Speaker 1: century Paris. In Clean, Smith writes that you kind of 444 00:23:43,240 --> 00:23:46,120 Speaker 1: had a perfect storm of bad teeth at the time 445 00:23:46,160 --> 00:23:49,400 Speaker 1: because you had the existing problems of dental hygiene again 446 00:23:49,480 --> 00:23:54,120 Speaker 1: sort of the problems of civilization, compounded by poverty and 447 00:23:54,480 --> 00:23:59,800 Speaker 1: increased access to sugars, sticky fruits, and sweetmeats that traditional 448 00:24:00,080 --> 00:24:03,480 Speaker 1: teeth cleaning methods just couldn't contend with. You couldn't just 449 00:24:03,520 --> 00:24:06,679 Speaker 1: scrape or wipe your mouth clean with sticks and cloth 450 00:24:07,200 --> 00:24:10,119 Speaker 1: like one might have been able to for uh in 451 00:24:10,200 --> 00:24:13,000 Speaker 1: previous ages. Uh. You know, suddenly these these methods that 452 00:24:13,040 --> 00:24:15,760 Speaker 1: we had that were, you know, pretty good, we're suddenly 453 00:24:15,800 --> 00:24:18,399 Speaker 1: just ineffective. On top of that, you had a lot 454 00:24:18,440 --> 00:24:22,720 Speaker 1: of additional damage done by course and badly ground powders, 455 00:24:22,800 --> 00:24:27,240 Speaker 1: ashes and whiteners. So the the the very products that 456 00:24:27,280 --> 00:24:30,399 Speaker 1: are being rolled out to help within all hygiene or 457 00:24:30,480 --> 00:24:34,320 Speaker 1: also contributing to some of the problems. Worn enamel and 458 00:24:34,359 --> 00:24:38,280 Speaker 1: irritated gums end up resulting from these products, and teeth 459 00:24:38,280 --> 00:24:41,679 Speaker 1: could also be destroyed by overuse of cleansing sticks and 460 00:24:41,760 --> 00:24:44,159 Speaker 1: irons that were used to you know, to get in 461 00:24:44,200 --> 00:24:47,199 Speaker 1: there and uh scrape them clean. But towards the end 462 00:24:47,200 --> 00:24:51,200 Speaker 1: of the century, she notes increased understanding and vastly improved 463 00:24:51,200 --> 00:24:54,879 Speaker 1: brushes and pace were beginning to make an impact. Robert, 464 00:24:54,920 --> 00:24:57,119 Speaker 1: this is this has given me vibes from like a 465 00:24:57,280 --> 00:25:01,600 Speaker 1: marathon man. Oh yes, is safe? Well, over use of 466 00:25:01,600 --> 00:25:04,040 Speaker 1: cleansing sticks and irons. It sounds like it is not safe. 467 00:25:04,840 --> 00:25:07,640 Speaker 1: We do not recommend the use of irons now. One 468 00:25:07,640 --> 00:25:09,840 Speaker 1: of the common features you're seeing in many of these 469 00:25:09,880 --> 00:25:14,440 Speaker 1: ancient toothpaste and toothpowder recipes is that there is, uh, 470 00:25:14,640 --> 00:25:17,560 Speaker 1: there's a common need for some kind of abrasive powder 471 00:25:17,800 --> 00:25:20,560 Speaker 1: something that would be also useful and say scrubbing a 472 00:25:20,640 --> 00:25:23,280 Speaker 1: pot clean or something like that. You know. Sometimes they 473 00:25:23,320 --> 00:25:26,920 Speaker 1: might use salt like rock salt, or that might use uh, 474 00:25:26,960 --> 00:25:29,600 Speaker 1: sand or ash or something like that. What we've seen 475 00:25:29,640 --> 00:25:33,240 Speaker 1: references to powders that that used ox hoofs, or that 476 00:25:33,400 --> 00:25:37,560 Speaker 1: use something like egg shells, which look that sounds really awful, 477 00:25:37,680 --> 00:25:40,480 Speaker 1: or as we mentioned several times earlier, pummice. You could 478 00:25:40,480 --> 00:25:42,960 Speaker 1: look to the Greeks and Romans, who occasionally used a 479 00:25:43,000 --> 00:25:47,679 Speaker 1: crushed bone and oyster shells powdered charcoal and bark, and 480 00:25:47,680 --> 00:25:51,159 Speaker 1: the Romans also added flavoring to assist with with bad breath. 481 00:25:51,359 --> 00:25:55,160 Speaker 1: So many terrible stories of the ancient Roman period involved 482 00:25:55,200 --> 00:25:59,040 Speaker 1: oyster shells. Thinking about like the murder of Hypatia. That 483 00:25:59,119 --> 00:26:02,640 Speaker 1: that that's suppose believe they like killed her with oyster shells. Huh, 484 00:26:02,840 --> 00:26:04,840 Speaker 1: like a bunch of them are just just like one 485 00:26:04,880 --> 00:26:08,200 Speaker 1: really sharp one. Well, this might not be a historical anecdote. 486 00:26:08,240 --> 00:26:10,000 Speaker 1: It might just be the legend, but the story is 487 00:26:10,080 --> 00:26:13,200 Speaker 1: that Hypatia was killed by a mob who like scraped 488 00:26:13,200 --> 00:26:16,280 Speaker 1: her to death with oyster shells. Just horrible. Yeah, well, 489 00:26:16,320 --> 00:26:18,719 Speaker 1: I guess that'll get the get the job done though. Um. 490 00:26:18,840 --> 00:26:21,359 Speaker 1: The Chinese are said to have had a wide variety 491 00:26:21,359 --> 00:26:24,800 Speaker 1: of toothpastes over time, which included the use of gen 492 00:26:24,920 --> 00:26:28,440 Speaker 1: sing herbal mints, and salt. And this makes sense given 493 00:26:28,480 --> 00:26:33,359 Speaker 1: the robust nature of Chinese traditional medicine. But before eighteen fifty, 494 00:26:33,480 --> 00:26:37,360 Speaker 1: most toothpaste were not paste. They were powders. They were 495 00:26:37,400 --> 00:26:40,159 Speaker 1: again some sort of powdery substance that you would you 496 00:26:40,160 --> 00:26:41,880 Speaker 1: would put in your mouth and kind of rub into 497 00:26:41,920 --> 00:26:44,120 Speaker 1: your teeth and your your gums to clean things up. 498 00:26:44,280 --> 00:26:49,400 Speaker 1: I mean, I'm thinking traditional comet scrub. Oh yeah, isn't 499 00:26:49,400 --> 00:26:52,320 Speaker 1: there a song about that makes your mouth tearing green? No? 500 00:26:52,480 --> 00:26:56,520 Speaker 1: I don't know this song. We're getting sidetracked. All right, Well, 501 00:26:56,560 --> 00:26:58,960 Speaker 1: let's take another break, and when we come back, we're 502 00:26:58,960 --> 00:27:01,240 Speaker 1: gonna spend the rest of the episode of talking about 503 00:27:01,800 --> 00:27:12,280 Speaker 1: modern tooth phase. Alright, we're back. So we mentioned World 504 00:27:12,280 --> 00:27:14,919 Speaker 1: War Two earlier. Uh and and that's that's really where 505 00:27:14,760 --> 00:27:18,280 Speaker 1: we're heading to in this portion of the episode, because 506 00:27:18,280 --> 00:27:20,879 Speaker 1: we see improved dental powder's paste and brushes during the 507 00:27:20,960 --> 00:27:23,680 Speaker 1: nineteenth century, but the modern age of dentistry doesn't really 508 00:27:23,760 --> 00:27:27,280 Speaker 1: kick in until after World War Two. You had um 509 00:27:27,359 --> 00:27:30,520 Speaker 1: in the United States, you had army dentists that championed 510 00:27:30,720 --> 00:27:34,439 Speaker 1: a modern dental health practice of biennial checkups, a healthy diet, 511 00:27:34,720 --> 00:27:37,480 Speaker 1: and twice a day brushing and uh. And then they 512 00:27:37,800 --> 00:27:40,840 Speaker 1: bring this back to the civilian world with them that 513 00:27:41,080 --> 00:27:45,480 Speaker 1: they bring this back to private practice and the resulting 514 00:27:45,560 --> 00:27:49,399 Speaker 1: high standards in US hygiene and cosmetics, which is always 515 00:27:49,480 --> 00:27:51,399 Speaker 1: key because with I mean, we see this in the 516 00:27:51,560 --> 00:27:56,600 Speaker 1: some of these early examples too. Dentistry involves both hygiene 517 00:27:56,720 --> 00:28:00,400 Speaker 1: and cosmetics. It's some of these these efforts are about out, yes, 518 00:28:00,480 --> 00:28:02,439 Speaker 1: let's keep the let's make the mouth healthy, let's keep 519 00:28:02,480 --> 00:28:04,880 Speaker 1: the teeth where they are. But others are about let's 520 00:28:04,880 --> 00:28:06,879 Speaker 1: make the let's make the breath smell nice, let's make 521 00:28:06,880 --> 00:28:09,160 Speaker 1: the teeth look shiny. Well, I mean, I would say 522 00:28:09,160 --> 00:28:14,679 Speaker 1: that oral hygiene dental hygiene products are an area where 523 00:28:14,840 --> 00:28:17,920 Speaker 1: there is a lot of blurring of the line between 524 00:28:18,520 --> 00:28:22,240 Speaker 1: health and aesthetics. Yeah, and it can I mean, honestly, 525 00:28:22,240 --> 00:28:25,560 Speaker 1: it can be frustrating when you go to the dentist 526 00:28:26,040 --> 00:28:28,120 Speaker 1: and you have to ask this question, like you want 527 00:28:28,200 --> 00:28:34,080 Speaker 1: to trust yourself completely over to healthcare professional, and I 528 00:28:34,119 --> 00:28:37,399 Speaker 1: certainly um suggest people do that. But but at the 529 00:28:37,440 --> 00:28:39,120 Speaker 1: same time, sometimes in the back of your head, you 530 00:28:39,240 --> 00:28:41,400 Speaker 1: you you want to ask, wait, is the is this 531 00:28:41,480 --> 00:28:44,400 Speaker 1: service that is being offered me? Is this is this 532 00:28:44,480 --> 00:28:47,080 Speaker 1: aligned with hygiene? Or is this about cosmetics? Is this 533 00:28:47,160 --> 00:28:52,200 Speaker 1: about improving the uh, you know, the the the subjective 534 00:28:53,400 --> 00:28:57,080 Speaker 1: appeal of my smile, or is it about more objective 535 00:28:57,520 --> 00:29:00,600 Speaker 1: health benefits? And of course most modern tooth we mentioned 536 00:29:00,640 --> 00:29:05,360 Speaker 1: earlier that toothpaste in general it serves both functions usually right, So, 537 00:29:05,400 --> 00:29:09,400 Speaker 1: the ingredients of modern toothpaste usually include things like mild 538 00:29:09,400 --> 00:29:12,959 Speaker 1: abrasives and that's just gonna be to help scrub things away. 539 00:29:13,000 --> 00:29:15,600 Speaker 1: But then of course you've got flavors, things that maybe 540 00:29:15,600 --> 00:29:17,960 Speaker 1: taste sweet or taste minty and fresh. And I would 541 00:29:18,000 --> 00:29:22,240 Speaker 1: say the mintiness of toothpaste is in the modern world, 542 00:29:22,320 --> 00:29:26,400 Speaker 1: a very very important part of the package. It is 543 00:29:26,400 --> 00:29:29,040 Speaker 1: a crucial part of what you're paying and why you 544 00:29:29,160 --> 00:29:32,720 Speaker 1: use the product. Now here's something interesting. Uh, So many 545 00:29:32,760 --> 00:29:35,680 Speaker 1: other products are marketed, especially in the United States, are 546 00:29:35,720 --> 00:29:40,280 Speaker 1: marketed towards either male consumers or female consumers. But I 547 00:29:40,320 --> 00:29:43,920 Speaker 1: don't think we really see this with with toothpaste, and uh, 548 00:29:44,080 --> 00:29:48,960 Speaker 1: and and mouthwash. Oh no, gendered marketing of toothpastes. Yeah, well, 549 00:29:48,960 --> 00:29:52,400 Speaker 1: what's like the the ax body spray brand of toothpastes, 550 00:29:52,480 --> 00:29:56,360 Speaker 1: like the hardest, toughest mouth I mean, I guess to 551 00:29:56,440 --> 00:29:58,719 Speaker 1: a limited stent extent, maybe you could say something like 552 00:29:58,840 --> 00:30:04,120 Speaker 1: arm and Hammer is like maybe accidentally marketing towards a 553 00:30:04,200 --> 00:30:07,920 Speaker 1: like a hyper masculine audience because it's arm and hammer, right. 554 00:30:08,640 --> 00:30:11,800 Speaker 1: But at the same time, for the most part, adult 555 00:30:11,840 --> 00:30:14,400 Speaker 1: toothpastes are kind of all the same. It's only like 556 00:30:14,480 --> 00:30:17,600 Speaker 1: you basically have kids toothpaste who have tastes like you know, 557 00:30:17,680 --> 00:30:21,560 Speaker 1: sickeningly sweet mango sherbet or something or that that blue 558 00:30:21,560 --> 00:30:25,120 Speaker 1: stuff with the sparkles in it. And then most adult toothpastes, 559 00:30:25,160 --> 00:30:27,400 Speaker 1: at least the the main toothpaste, not talking about some 560 00:30:27,400 --> 00:30:29,880 Speaker 1: of the ones you might acquire only at health food stores, 561 00:30:29,920 --> 00:30:31,800 Speaker 1: but like the kind you can get to the grocery store. 562 00:30:31,880 --> 00:30:33,240 Speaker 1: I feel like most of those are going to be 563 00:30:33,320 --> 00:30:36,760 Speaker 1: more or less in the same realm our mild abrasives 564 00:30:36,760 --> 00:30:40,000 Speaker 1: are made of eagle claws. No, I'm sorry, I don't 565 00:30:40,040 --> 00:30:43,040 Speaker 1: mean to encourage all you advertising brains out there to 566 00:30:43,160 --> 00:30:46,480 Speaker 1: try gendered marketing of toothpaste. Leave it be. We don't 567 00:30:46,480 --> 00:30:52,080 Speaker 1: need more gendered marketing. I mean, unless it encouraged improvedental hygiene. 568 00:30:52,080 --> 00:30:54,560 Speaker 1: I mean then I guess you know if. But but 569 00:30:54,600 --> 00:30:58,600 Speaker 1: I don't think there's any like gender based messaging against 570 00:30:58,600 --> 00:31:00,760 Speaker 1: brushing your teeth, Like what are you doing brushing your teeth? 571 00:31:00,840 --> 00:31:04,480 Speaker 1: Don't be a girl? Like nobody's saying that other common 572 00:31:04,600 --> 00:31:08,320 Speaker 1: ingredients in toothpaste would be things called humectants, which sort 573 00:31:08,320 --> 00:31:11,360 Speaker 1: of prevent the paste in the mouth from getting too 574 00:31:11,440 --> 00:31:14,440 Speaker 1: dry or all the water leaving it that you've got 575 00:31:14,520 --> 00:31:18,320 Speaker 1: usually some kind of binder thickener, somewhat the role that 576 00:31:18,360 --> 00:31:20,720 Speaker 1: honey might have played in these older toothpaste kind of 577 00:31:20,760 --> 00:31:24,560 Speaker 1: holding everything together. You've got foaming agents that make it 578 00:31:24,640 --> 00:31:27,200 Speaker 1: foam in the mouth, and that's an important aesthetic part 579 00:31:27,200 --> 00:31:29,720 Speaker 1: of the process. If you brush your teeth with a 580 00:31:29,720 --> 00:31:32,880 Speaker 1: toothpaste that doesn't foam, you might be wondering is it 581 00:31:32,920 --> 00:31:35,280 Speaker 1: working right? Right? You want to get a good froth 582 00:31:35,360 --> 00:31:37,480 Speaker 1: going in there because it's then I think also that 583 00:31:37,520 --> 00:31:40,160 Speaker 1: it reminds one of scrubbing one's body with soap, right. 584 00:31:40,640 --> 00:31:43,200 Speaker 1: But then, of course there might also be chemical agents 585 00:31:43,280 --> 00:31:47,160 Speaker 1: in the toothpaste that do something in particular, say like 586 00:31:47,240 --> 00:31:51,840 Speaker 1: a whitening formula, or say it might contain fluoride. Ye, 587 00:31:51,920 --> 00:31:53,680 Speaker 1: And we'd be remiss if we didn't point out that 588 00:31:53,680 --> 00:31:57,280 Speaker 1: that water of fluoridation is one of the top medical 589 00:31:57,320 --> 00:32:00,680 Speaker 1: achievements of the twentieth century. Do not believe your local 590 00:32:00,720 --> 00:32:05,440 Speaker 1: conspiracy theory about the fluoride and your drinking water, I mean, 591 00:32:05,520 --> 00:32:07,560 Speaker 1: unless you just want to end up rubbing your teeth 592 00:32:07,560 --> 00:32:11,960 Speaker 1: with pummice. Now, speaking of conspiracy theories and whatnot, I 593 00:32:12,000 --> 00:32:14,200 Speaker 1: do think it is worth reminding everyone out there that 594 00:32:14,320 --> 00:32:18,480 Speaker 1: just because we've reached a certain point in the evolution 595 00:32:18,760 --> 00:32:22,240 Speaker 1: of of dental hygiene and dental hygiene products, it doesn't 596 00:32:22,280 --> 00:32:26,480 Speaker 1: mean that we can't slip back and fall into into 597 00:32:26,480 --> 00:32:31,000 Speaker 1: pseudo science, into conspiracy theory, or even into uh, like 598 00:32:31,040 --> 00:32:35,360 Speaker 1: to put an optimistic spin on it, traditional medical practices, 599 00:32:35,360 --> 00:32:38,800 Speaker 1: alternative medical practices that have not yet been completely vetted 600 00:32:39,440 --> 00:32:43,360 Speaker 1: by modern science. Are you referring to the oil pulling 601 00:32:43,400 --> 00:32:46,920 Speaker 1: craze of several years ago. Oh? Yeah, that's a good example, 602 00:32:47,120 --> 00:32:49,920 Speaker 1: oil pulling, which is an oil dental rents based on 603 00:32:50,040 --> 00:32:53,680 Speaker 1: air vated practices. I don't really know anything about whether 604 00:32:53,760 --> 00:32:56,960 Speaker 1: that's supposed to be actually efficacious or not. Does it 605 00:32:57,080 --> 00:32:59,840 Speaker 1: do anything good. It's definitely one of these practices that 606 00:33:00,120 --> 00:33:02,680 Speaker 1: some people swear by and some people have very strong 607 00:33:02,720 --> 00:33:06,920 Speaker 1: opinions about. But generally speaking, those individuals are not going 608 00:33:06,960 --> 00:33:09,360 Speaker 1: to be dentists, uh, and it's not going to be 609 00:33:09,520 --> 00:33:11,400 Speaker 1: They're not gonna be representatives of the say the American 610 00:33:11,480 --> 00:33:14,720 Speaker 1: Dental Association. Okay, so would you say if it provides 611 00:33:14,760 --> 00:33:17,520 Speaker 1: any benefit? The evidence is not really in right. I 612 00:33:17,760 --> 00:33:19,880 Speaker 1: saw one source that was saying there was kind of 613 00:33:19,880 --> 00:33:24,320 Speaker 1: speculating on ways that it could work if it was working. 614 00:33:24,520 --> 00:33:26,800 Speaker 1: That that's kind of the answer one tends to to 615 00:33:26,840 --> 00:33:29,880 Speaker 1: come across. That being said, they pointed out that there 616 00:33:30,000 --> 00:33:32,280 Speaker 1: wasn't necessarily a reason why you couldn't do it in 617 00:33:32,320 --> 00:33:37,360 Speaker 1: addition to um more modern dental practices, but that this 618 00:33:37,440 --> 00:33:39,280 Speaker 1: is also a great question for any listeners out there, 619 00:33:39,280 --> 00:33:41,160 Speaker 1: because I'm sure there's somebody listening to this has a 620 00:33:41,240 --> 00:33:43,960 Speaker 1: very strong opinion about oil pulling, and I wouldn't mind 621 00:33:43,960 --> 00:33:46,120 Speaker 1: listening to to what you have to say. We also 622 00:33:46,160 --> 00:33:49,080 Speaker 1: they'll have to remember what we said earlier about the 623 00:33:49,160 --> 00:33:53,400 Speaker 1: other factors that play into one's overall dental hygiene. Uh, 624 00:33:53,440 --> 00:33:55,800 Speaker 1: this one person on the left might be able to 625 00:33:55,960 --> 00:33:59,320 Speaker 1: fall back on a more traditional or alternative method of 626 00:33:59,360 --> 00:34:02,040 Speaker 1: maintaining the all hygiene and it will work for them, 627 00:34:02,280 --> 00:34:05,040 Speaker 1: where the person on the other side it will just 628 00:34:05,240 --> 00:34:07,680 Speaker 1: it will fail miserably. Like you know, even with with 629 00:34:07,800 --> 00:34:11,200 Speaker 1: modern dental hygiene methods, they might be kind of having 630 00:34:11,200 --> 00:34:13,800 Speaker 1: an uphill battle. Yeah, it depends on a lot of things. 631 00:34:13,840 --> 00:34:18,000 Speaker 1: Your genes, your microbiome, your diet and all of that contributes. Now, 632 00:34:18,000 --> 00:34:20,000 Speaker 1: on the other hand, I want to point out we've 633 00:34:20,040 --> 00:34:24,680 Speaker 1: been talking about a sort of modern science based dental hygiene. 634 00:34:25,080 --> 00:34:28,200 Speaker 1: But as best I can tell, it is apparently the 635 00:34:28,239 --> 00:34:32,480 Speaker 1: case to me that toothpaste is not strictly necessary to 636 00:34:32,520 --> 00:34:36,359 Speaker 1: get many of the health benefits from tooth brushing. From 637 00:34:36,360 --> 00:34:40,239 Speaker 1: what I've read, toothpaste essentially can help, but it's not 638 00:34:40,320 --> 00:34:44,160 Speaker 1: like brushing your teeth without toothpaste is useless. Brushing teeth 639 00:34:44,160 --> 00:34:47,640 Speaker 1: without toothpaste appears to be much better than not brushing 640 00:34:47,680 --> 00:34:50,160 Speaker 1: at all, And there might be cases where the toothpaste 641 00:34:50,239 --> 00:34:53,200 Speaker 1: isn't even providing all that much of a benefit on 642 00:34:53,280 --> 00:34:56,200 Speaker 1: top of just brushing. So if you're in a situation 643 00:34:56,239 --> 00:34:58,000 Speaker 1: where you have, I don't know, you've gone out to 644 00:34:58,040 --> 00:35:00,120 Speaker 1: a cabin in the middle of the woods and and 645 00:35:00,360 --> 00:35:02,880 Speaker 1: you're you're there for the night, there's no leaving that 646 00:35:02,920 --> 00:35:06,160 Speaker 1: the monsters are prowling in the forest, and you realize 647 00:35:06,160 --> 00:35:08,479 Speaker 1: that you you brought your tooth brush, but you didn't 648 00:35:08,480 --> 00:35:12,080 Speaker 1: bring any toothpaste. You you're you're not that bad off, right, 649 00:35:12,160 --> 00:35:14,719 Speaker 1: You might not get some of the aesthetic benefits such 650 00:35:14,760 --> 00:35:17,680 Speaker 1: as like the mintiness, you know, the breath cleaning, and 651 00:35:17,760 --> 00:35:19,759 Speaker 1: especially if if you're trying to get some kind of 652 00:35:19,840 --> 00:35:23,160 Speaker 1: chemical benefit out of your toothpaste, like whitening, or if 653 00:35:23,200 --> 00:35:26,879 Speaker 1: your toothpaste provides fluoride. But also if you're simply just 654 00:35:27,040 --> 00:35:30,319 Speaker 1: brushing away as you would normally brush with with you know, 655 00:35:30,360 --> 00:35:33,280 Speaker 1: the bristles of a toothbrush, you will succeed in removing 656 00:35:33,280 --> 00:35:35,359 Speaker 1: a lot of the bacterial coating on your teeth, which 657 00:35:35,400 --> 00:35:38,000 Speaker 1: is one of the primary health reasons for brushing your teeth. 658 00:35:38,160 --> 00:35:40,200 Speaker 1: You want to try to get the bacteria off of 659 00:35:40,239 --> 00:35:43,520 Speaker 1: the surfaces in your mouth so they don't build up. Now, 660 00:35:43,560 --> 00:35:45,800 Speaker 1: of course, if you are using toothpaste, one of the 661 00:35:46,320 --> 00:35:49,520 Speaker 1: key rules out there is that you do not swallow 662 00:35:49,560 --> 00:35:53,040 Speaker 1: it as you are brushing your teeth or after you've brushed. 663 00:35:53,080 --> 00:35:55,080 Speaker 1: You know, you spit in the sink and then you 664 00:35:55,120 --> 00:35:56,800 Speaker 1: wash your mouth out and you spit that in the 665 00:35:56,840 --> 00:36:00,280 Speaker 1: sink as well. Yeah, our our researcher, Scott, was looking 666 00:36:00,320 --> 00:36:04,279 Speaker 1: at this and apparently toothpaste swallowing can be a really 667 00:36:04,320 --> 00:36:07,200 Speaker 1: big deal. Yeah. Now, I had looked into this a 668 00:36:07,200 --> 00:36:09,640 Speaker 1: little bit because I have a six year old and 669 00:36:09,719 --> 00:36:12,920 Speaker 1: so in in in teaching him to brush his teeth, 670 00:36:13,560 --> 00:36:15,600 Speaker 1: you know, we were we were told, you know, don't 671 00:36:15,680 --> 00:36:17,399 Speaker 1: let him swallow the toothpaste. You know, that's just one 672 00:36:17,400 --> 00:36:20,279 Speaker 1: of the parental rules that you you pass on. And 673 00:36:20,320 --> 00:36:21,840 Speaker 1: so I looked into it a little bit. I'm like, 674 00:36:21,880 --> 00:36:24,680 Speaker 1: why why why not? And then you see some of 675 00:36:24,680 --> 00:36:26,600 Speaker 1: these these reasons are like, Okay, it's just a it's 676 00:36:26,600 --> 00:36:29,000 Speaker 1: a bad idea for them to swallow at the toothpaste. 677 00:36:29,040 --> 00:36:32,399 Speaker 1: Just really encourage them not to. But yeah, Scott brought 678 00:36:32,480 --> 00:36:35,399 Speaker 1: up some of these specific things that can happen if 679 00:36:35,440 --> 00:36:40,640 Speaker 1: you even have a toothpaste overdose. A toothpaste overdose. What's 680 00:36:40,640 --> 00:36:45,359 Speaker 1: a regular dose, that's a recommended dose. I guess there'd 681 00:36:45,400 --> 00:36:48,720 Speaker 1: be none, right, none? Yeah, as absolutely little as possible. 682 00:36:48,719 --> 00:36:51,200 Speaker 1: I mean, that's why you're spitting, uh, you know, rinsing 683 00:36:51,200 --> 00:36:53,839 Speaker 1: out your mouth, spitting again. There's no just you know, 684 00:36:54,440 --> 00:36:58,440 Speaker 1: there's no swallowing a little toothpaste as part of your breakfast. Um. 685 00:36:58,520 --> 00:37:01,759 Speaker 1: In fact, Scott to point it out a page on 686 00:37:01,920 --> 00:37:06,000 Speaker 1: meadline plus dot gov that pointed out the following quote, 687 00:37:06,040 --> 00:37:08,960 Speaker 1: Swallowing a large amount of regular toothpaste may cause stomach 688 00:37:08,960 --> 00:37:13,919 Speaker 1: pain and possible intestinal blockage. Quote. These additional symptoms may 689 00:37:14,000 --> 00:37:18,600 Speaker 1: occur when swallowing a large amount of toothpaste containing fluoride. Uh. 690 00:37:18,760 --> 00:37:23,800 Speaker 1: They this include The list includes convulsions, diarrhea, difficulty breathing, drooling, 691 00:37:23,880 --> 00:37:26,960 Speaker 1: heart attack, salty or soapy taste in the mouth that 692 00:37:27,080 --> 00:37:29,600 Speaker 1: seems kind of mild compared to these others U but 693 00:37:29,719 --> 00:37:34,720 Speaker 1: also slow heart rate, shock tremors, vomiting, and weakness. So again, 694 00:37:35,360 --> 00:37:38,800 Speaker 1: don't swallow your toothpaste, and if you have been doing 695 00:37:38,840 --> 00:37:41,880 Speaker 1: so for some reason, please stop. But why do they 696 00:37:41,920 --> 00:37:45,840 Speaker 1: make it so delicious? I look, for instance, I brush 697 00:37:45,880 --> 00:37:48,560 Speaker 1: my teeth at work here sometimes, and you know, it 698 00:37:48,600 --> 00:37:51,960 Speaker 1: means having to spit into a sink in the men's 699 00:37:52,040 --> 00:37:55,839 Speaker 1: room or spitting into a water fountain. And sometimes I'm 700 00:37:55,880 --> 00:37:58,120 Speaker 1: thinking of somebody's gonna walk by, or they'll you know, 701 00:37:58,160 --> 00:38:00,000 Speaker 1: they'll be washing their hands and they'll think I'm discussed 702 00:38:00,040 --> 00:38:02,920 Speaker 1: thing for spitting. But clearly the alternative is that I 703 00:38:02,960 --> 00:38:05,960 Speaker 1: poisoned myself. So I am going to continue to spit. 704 00:38:06,200 --> 00:38:08,120 Speaker 1: Do you ever meet that guy who carries around like 705 00:38:08,160 --> 00:38:11,800 Speaker 1: an empty gatorade bottle that he spits his his dip 706 00:38:11,960 --> 00:38:15,120 Speaker 1: dip mouth in, or the chewing tobacco. No, there is 707 00:38:15,120 --> 00:38:17,520 Speaker 1: there's such a person here. Yeah, I've met guys like that, 708 00:38:17,680 --> 00:38:19,600 Speaker 1: but this is this is a Tennessee thing. Oh, I 709 00:38:19,600 --> 00:38:21,920 Speaker 1: think you meant here at work thing. No, no, no, 710 00:38:21,920 --> 00:38:23,799 Speaker 1: I remember this from Tennessee. Yeah, they'd be like a 711 00:38:23,800 --> 00:38:26,200 Speaker 1: guy's got an empty power aid bottle, he already drank 712 00:38:26,200 --> 00:38:27,640 Speaker 1: all the power Aide out of it. He's got a 713 00:38:27,680 --> 00:38:30,560 Speaker 1: mouthful of tobacco product, and he walks around at some 714 00:38:30,600 --> 00:38:32,920 Speaker 1: point needs to spit the bacco juice out somewhere, and 715 00:38:33,000 --> 00:38:34,960 Speaker 1: just goes right into the bottle that he carries in 716 00:38:35,080 --> 00:38:38,359 Speaker 1: his hand. Oh well, that's better than I remember being 717 00:38:38,360 --> 00:38:41,359 Speaker 1: in study hall in high school in Tennessee, and there 718 00:38:41,400 --> 00:38:43,239 Speaker 1: was a desk at the back of the room, like 719 00:38:43,280 --> 00:38:48,000 Speaker 1: an old like teacher's desk made of wood kind of uh, 720 00:38:48,040 --> 00:38:50,919 Speaker 1: you know, it was on unsteady footing. And and that's 721 00:38:50,920 --> 00:38:53,799 Speaker 1: for for some ungodly reason, me and a few friends 722 00:38:53,840 --> 00:38:55,640 Speaker 1: would hang out and like do our homework at the 723 00:38:55,719 --> 00:38:59,960 Speaker 1: last minute. But in some other class, clearly a stud 724 00:39:00,000 --> 00:39:04,200 Speaker 1: sudents were chewing tobacco and then spitting into the desk. 725 00:39:05,000 --> 00:39:08,279 Speaker 1: So most of the drawers were filled with like you know, 726 00:39:08,400 --> 00:39:12,560 Speaker 1: scraps of paper and uh, and tobacco spit. And occasionally 727 00:39:13,080 --> 00:39:15,520 Speaker 1: the desk would leak a little. There would be like 728 00:39:15,560 --> 00:39:19,040 Speaker 1: a foul brown substance that we begin dripping out of 729 00:39:19,080 --> 00:39:22,160 Speaker 1: some corner of the desk and pooling on the floor. Um, 730 00:39:22,200 --> 00:39:26,040 Speaker 1: it was. It was disgusting, Robert. That is a wretched, 731 00:39:26,360 --> 00:39:31,160 Speaker 1: wretched story. Thanks for sharing. You're welcome courtesy of Lincoln 732 00:39:31,160 --> 00:39:34,160 Speaker 1: County High School. So here's another question we should address 733 00:39:34,239 --> 00:39:38,520 Speaker 1: before we leave, because we've established that throughout history. You know, 734 00:39:38,600 --> 00:39:42,400 Speaker 1: since the the agricultural Revolution, people have needed to clean 735 00:39:42,480 --> 00:39:44,560 Speaker 1: their teeth much more than they did when in a 736 00:39:44,600 --> 00:39:49,120 Speaker 1: hunter gatherer state. Especially since the Industrial Revolution, people's oral 737 00:39:49,200 --> 00:39:52,040 Speaker 1: health has been a bigger concern. You're more at risk 738 00:39:52,400 --> 00:39:55,160 Speaker 1: given the kinds of diets people eat, with refined sugar 739 00:39:55,239 --> 00:39:58,080 Speaker 1: and flour and all that kind of stuff. And so 740 00:39:58,320 --> 00:40:02,879 Speaker 1: we know at some point tooth brushing became an extremely 741 00:40:02,960 --> 00:40:06,640 Speaker 1: common thing in the Western world. But how did that happen? 742 00:40:06,760 --> 00:40:09,680 Speaker 1: When did when did that come about? And the American 743 00:40:09,760 --> 00:40:13,680 Speaker 1: journalist and author Charles do Higg wrote about how toothpaste 744 00:40:13,680 --> 00:40:17,000 Speaker 1: took hold of American culture in a book called The 745 00:40:17,080 --> 00:40:19,759 Speaker 1: Power of Habit, Why we do what we do in 746 00:40:19,840 --> 00:40:23,360 Speaker 1: life and business? Uh So, in this book, do Higg 747 00:40:23,440 --> 00:40:26,879 Speaker 1: tells a story about sort of the toothpaste revolution. It's 748 00:40:26,920 --> 00:40:30,080 Speaker 1: the story of a man named Claude C. Hopkins who 749 00:40:30,239 --> 00:40:32,160 Speaker 1: was one of the great and perhaps one of the 750 00:40:32,520 --> 00:40:37,000 Speaker 1: great diabolical minds in the history of modern advertising. Hopkins 751 00:40:37,000 --> 00:40:41,560 Speaker 1: wrote a book called Quote Scientific Advertising. It does sound sinister. 752 00:40:42,360 --> 00:40:45,520 Speaker 1: So around the turn of the twentieth century, apparently almost 753 00:40:45,560 --> 00:40:48,839 Speaker 1: nobody in America brush their teeth, at least not with toothpaste. 754 00:40:49,040 --> 00:40:52,880 Speaker 1: Do Higgs sites consumer research claiming that only seven percent 755 00:40:53,000 --> 00:40:56,080 Speaker 1: of people had toothpaste in their medicine chests around the 756 00:40:56,120 --> 00:40:58,840 Speaker 1: turn of the twentieth century. But then one day a 757 00:40:59,000 --> 00:41:02,480 Speaker 1: friend of Claw Hopkins came to him for help promoting 758 00:41:02,480 --> 00:41:04,839 Speaker 1: a new product that he was selling. He was an 759 00:41:04,880 --> 00:41:10,600 Speaker 1: industrial manufactured toothpaste called PEPSIDENTT. And the pure aesthetics of 760 00:41:10,640 --> 00:41:13,880 Speaker 1: this name sounds so disgusting to me. It makes me 761 00:41:13,920 --> 00:41:18,440 Speaker 1: think of dyspepsia. Like the only toothpaste endorsed by a dyspeptic, 762 00:41:18,480 --> 00:41:24,320 Speaker 1: Jodan Baker defined dyspeptid well, dyspepsia means indigestion. You bad, 763 00:41:24,400 --> 00:41:28,680 Speaker 1: bad digestion. But they think Jodan Baker has bad digestion. 764 00:41:28,880 --> 00:41:31,520 Speaker 1: That's a line from Mystery Science Theater three thousands, starring 765 00:41:31,560 --> 00:41:35,200 Speaker 1: a dyspeptic Joe Don Baker, which which Jodan Baker movie was? 766 00:41:35,239 --> 00:41:39,400 Speaker 1: It I think it was Final Justice. Is that the 767 00:41:39,400 --> 00:41:43,200 Speaker 1: one where he's running around Malta? Yes, But anyway, there 768 00:41:43,280 --> 00:41:45,319 Speaker 1: is actually a common thread in the names here. So 769 00:41:45,680 --> 00:41:49,120 Speaker 1: dyspepsia is indigestion. The root is pepsis, which is the 770 00:41:49,160 --> 00:41:52,560 Speaker 1: ancient Greek word for digestion, and this was apparently a 771 00:41:52,560 --> 00:41:55,799 Speaker 1: clue to the chemical formula of Pepsident. It contained a 772 00:41:55,920 --> 00:42:00,000 Speaker 1: chemical digestive agent to help break down or quote digest 773 00:42:00,000 --> 00:42:02,560 Speaker 1: best food stuck in the teeth. Okay, what's a little 774 00:42:02,600 --> 00:42:04,920 Speaker 1: disgusting when need to put it that way, But a 775 00:42:04,920 --> 00:42:07,160 Speaker 1: lot of things about dental hygiene or disgusting if you 776 00:42:07,239 --> 00:42:10,880 Speaker 1: looked too closely. So Hopkins signed on to spearhead and 777 00:42:10,960 --> 00:42:15,040 Speaker 1: advertising strategy for Pepsident, and it was a huge success. 778 00:42:15,160 --> 00:42:18,239 Speaker 1: Do Higg writes that just a decade after the first 779 00:42:18,320 --> 00:42:22,120 Speaker 1: Pepsident ad campaign, uh, that tiny fraction of Americans who 780 00:42:22,120 --> 00:42:25,960 Speaker 1: had toothpaste in their medicine chest jumped to six and 781 00:42:25,960 --> 00:42:28,480 Speaker 1: we went so we went from almost no Americans brushing 782 00:42:28,480 --> 00:42:31,400 Speaker 1: their teeth with toothpaste to more than half in a 783 00:42:31,560 --> 00:42:34,560 Speaker 1: very short span of time. And do Higg writes also 784 00:42:34,680 --> 00:42:37,680 Speaker 1: that the advertising campaign wasn't just successful in America by 785 00:42:37,760 --> 00:42:43,200 Speaker 1: nine thirty, Pepsident was on store shelves in China, South Africa, Brazil, Germany, 786 00:42:43,280 --> 00:42:47,680 Speaker 1: among other markets. So the question is what made Pepsident 787 00:42:48,040 --> 00:42:52,920 Speaker 1: such a successful advertising and marketing campaign. And so Hopkins 788 00:42:52,920 --> 00:42:55,560 Speaker 1: had a strategy that he always used. It wasn't just 789 00:42:55,640 --> 00:42:58,440 Speaker 1: for this product, it was something he'd used on other products. 790 00:42:59,000 --> 00:43:02,760 Speaker 1: And the strategy she was to create a repeated daily 791 00:43:02,960 --> 00:43:06,920 Speaker 1: routine using the product. And the system might go something 792 00:43:06,960 --> 00:43:10,880 Speaker 1: like this oatmeal gives you energy for twenty four hours, 793 00:43:10,880 --> 00:43:13,000 Speaker 1: but you have to eat it first thing in the morning. 794 00:43:13,560 --> 00:43:16,040 Speaker 1: So this gets people into the habit of having it 795 00:43:16,120 --> 00:43:18,560 Speaker 1: every day when they wake up. There's a queue, there's 796 00:43:18,600 --> 00:43:21,400 Speaker 1: like a time of day Q that signals time to 797 00:43:21,440 --> 00:43:25,160 Speaker 1: consume this product. And then if you consume it every day, 798 00:43:25,360 --> 00:43:27,480 Speaker 1: you keep buying it because you're in a habit. And 799 00:43:27,520 --> 00:43:29,760 Speaker 1: in fact, we still see this kind of strategy used 800 00:43:29,760 --> 00:43:32,319 Speaker 1: in marketing all the time today. Right, try trying to 801 00:43:32,400 --> 00:43:34,920 Speaker 1: encourage you not just to try a product, but to 802 00:43:35,040 --> 00:43:38,200 Speaker 1: make a product a repeated routine in your life, a 803 00:43:38,239 --> 00:43:41,919 Speaker 1: complete part of your daily breakfast, right, exactly right. So 804 00:43:42,440 --> 00:43:44,640 Speaker 1: Hopkins wanted to find a way to to find that 805 00:43:44,719 --> 00:43:47,440 Speaker 1: kind of trigger that would get people using pepsin like 806 00:43:47,480 --> 00:43:50,520 Speaker 1: this every single day. And so he was reading through 807 00:43:50,600 --> 00:43:54,080 Speaker 1: dental textbooks and according to his own autobiography, he he 808 00:43:54,160 --> 00:43:55,799 Speaker 1: was doing this, and he was reading these books and 809 00:43:55,840 --> 00:43:59,440 Speaker 1: he found references to the fact that bacteria in your 810 00:43:59,440 --> 00:44:03,000 Speaker 1: mouth form mucin plaques on your teeth. And you can 811 00:44:03,080 --> 00:44:05,600 Speaker 1: feel this plaque with your tongue if you let it grow. 812 00:44:06,320 --> 00:44:10,000 Speaker 1: And here's his idea to quote one of the ads, quote, 813 00:44:10,440 --> 00:44:14,680 Speaker 1: just run your tongue across your teeth. You'll feel a film. 814 00:44:14,719 --> 00:44:19,200 Speaker 1: That's what makes your teeth look off color and invites decay. 815 00:44:19,560 --> 00:44:23,320 Speaker 1: Another ad, note, how many pretty teeth are seen everywhere. 816 00:44:23,600 --> 00:44:26,799 Speaker 1: Millions are using a new method of teeth cleansing. Why 817 00:44:26,800 --> 00:44:30,200 Speaker 1: would any woman have dingy film on her teeth? Pepsident 818 00:44:30,400 --> 00:44:34,640 Speaker 1: removes the film. So the fact is, of course that 819 00:44:34,800 --> 00:44:38,759 Speaker 1: pepsidint the product was by no means the only way 820 00:44:38,800 --> 00:44:41,320 Speaker 1: to get rid of this film. Right, You could brush 821 00:44:41,320 --> 00:44:44,719 Speaker 1: your teeth without pepsident and do it. According to do Hig, 822 00:44:44,880 --> 00:44:47,279 Speaker 1: one of the top dental authorities of the day, explicitly 823 00:44:47,320 --> 00:44:51,240 Speaker 1: said that the toothpaste was worthless. It did not add 824 00:44:51,280 --> 00:44:54,719 Speaker 1: anything to this process. But it didn't matter because Hopkins 825 00:44:54,719 --> 00:44:59,040 Speaker 1: had found a queue to use the product feeling the film, 826 00:44:59,080 --> 00:45:01,800 Speaker 1: and the film is always is reforming, so you always 827 00:45:01,840 --> 00:45:05,000 Speaker 1: have a new queue to use the product again. And 828 00:45:05,040 --> 00:45:07,800 Speaker 1: so this was hopkins model and how to sell something. 829 00:45:07,880 --> 00:45:11,120 Speaker 1: It was you have a queue, a routine, and a reward. 830 00:45:11,360 --> 00:45:14,319 Speaker 1: And hopkins original idea was the queue is you run 831 00:45:14,360 --> 00:45:16,440 Speaker 1: your tongue across your teeth, and when you do that, 832 00:45:16,560 --> 00:45:19,279 Speaker 1: you will happen to feel a film. It's just biology. 833 00:45:19,360 --> 00:45:23,040 Speaker 1: It just happens. That triggers the routine, which is brushing 834 00:45:23,040 --> 00:45:26,080 Speaker 1: with pepsident, and then there is a reward that comes 835 00:45:26,120 --> 00:45:29,200 Speaker 1: after that, which is feeling that your mouth is now beautiful. 836 00:45:29,640 --> 00:45:32,080 Speaker 1: But do Hig points out that this was actually enhanced 837 00:45:32,080 --> 00:45:33,800 Speaker 1: by the fact that there was a much more direct 838 00:45:33,840 --> 00:45:36,920 Speaker 1: and sensory reward. You didn't just have to rely on 839 00:45:37,000 --> 00:45:40,239 Speaker 1: the cognitive idea of like, ah, now I'm more beautiful. 840 00:45:40,719 --> 00:45:44,080 Speaker 1: You had a very crucial part of the recipe of 841 00:45:44,080 --> 00:45:47,360 Speaker 1: pepsident that contributed to the cycle, and that part of 842 00:45:47,400 --> 00:45:51,040 Speaker 1: the recipe was the mintiness. There was a clean tingling 843 00:45:51,200 --> 00:45:54,080 Speaker 1: left in the mouth after the brushing had been done, 844 00:45:54,160 --> 00:45:56,239 Speaker 1: and that, in fact has been cited as the main 845 00:45:56,360 --> 00:45:59,319 Speaker 1: reward that people feel. You feel your mouth your mouth 846 00:45:59,320 --> 00:46:01,920 Speaker 1: feels dirty, so you brush your teeth and then it 847 00:46:01,960 --> 00:46:05,600 Speaker 1: feels tingly. The tingle lets you know it's working. It does. 848 00:46:05,640 --> 00:46:08,160 Speaker 1: And once the tingle is gone and your mouth feels 849 00:46:08,200 --> 00:46:10,200 Speaker 1: kind of hot and nasty again, don't you want to 850 00:46:10,239 --> 00:46:14,080 Speaker 1: brush your teeth again? This also, you know, I imagine 851 00:46:14,120 --> 00:46:16,920 Speaker 1: this also factors into into some various reasons that one 852 00:46:16,920 --> 00:46:20,160 Speaker 1: could neglect one's stental health, because all you really want 853 00:46:20,280 --> 00:46:23,400 Speaker 1: is the feel of something working. I mean that alone 854 00:46:23,440 --> 00:46:25,400 Speaker 1: is one of the reasons that you have various pseudoscientific 855 00:46:25,400 --> 00:46:29,359 Speaker 1: medical practices that have been pushed by by hoaxters over 856 00:46:29,560 --> 00:46:33,160 Speaker 1: over the the ages. Just if something feels like it's happening, 857 00:46:33,239 --> 00:46:35,399 Speaker 1: then you can you can, you can you can get 858 00:46:35,440 --> 00:46:38,399 Speaker 1: caught up in that alone, like, oh, you just drink 859 00:46:38,400 --> 00:46:40,880 Speaker 1: a little bit of poison of so that's what you're feeling. 860 00:46:41,120 --> 00:46:44,480 Speaker 1: But no, you're feeling something and that is the cure. Yeah. Well, 861 00:46:44,480 --> 00:46:47,279 Speaker 1: I mean we talked earlier about why so many of 862 00:46:47,360 --> 00:46:50,799 Speaker 1: these quack medical cures from the past involved alcohol. Right, 863 00:46:51,080 --> 00:46:54,120 Speaker 1: You're feelings something's happening, right, So I mean you could 864 00:46:54,120 --> 00:46:56,720 Speaker 1: fall into the trap of say thinking, wellhy I have mouthwashed, 865 00:46:56,719 --> 00:46:58,520 Speaker 1: why should I brush my teeth. Why should I flash 866 00:46:58,560 --> 00:47:00,320 Speaker 1: my teeth? Because if I just take a swig of 867 00:47:00,400 --> 00:47:03,239 Speaker 1: this stuff, I feel a little tingle and uh, and 868 00:47:03,239 --> 00:47:06,040 Speaker 1: then I'm minty afterwards, I'm good to go. That, of course, 869 00:47:06,120 --> 00:47:09,440 Speaker 1: is is inaccurate because we've discussed here you're not gonna 870 00:47:09,680 --> 00:47:12,439 Speaker 1: you're not gonna actually get the effects of brushing on 871 00:47:12,560 --> 00:47:15,120 Speaker 1: your teeth and gums that way. But Yeah, one of 872 00:47:15,160 --> 00:47:17,200 Speaker 1: the big takeaways for me at the end of this 873 00:47:17,360 --> 00:47:22,200 Speaker 1: is that, um, while to toothpaste has come to feel 874 00:47:22,640 --> 00:47:26,520 Speaker 1: like an invention that is the central part of modern 875 00:47:26,600 --> 00:47:30,719 Speaker 1: dental health, I think my takeaway from this research is 876 00:47:30,760 --> 00:47:33,480 Speaker 1: that it's it's not that it's bad. Toothpaste is good, 877 00:47:33,920 --> 00:47:36,920 Speaker 1: but it's not the central part of modern dental health. 878 00:47:36,960 --> 00:47:39,200 Speaker 1: That would be brushing and flossing and going to a 879 00:47:39,280 --> 00:47:43,040 Speaker 1: dentist regularly, right, Yes, And that toothpaste is sort of 880 00:47:43,080 --> 00:47:45,680 Speaker 1: like a little bonus it helps a little bit more. 881 00:47:46,160 --> 00:47:49,200 Speaker 1: That being said, I find myself I find myself oddly 882 00:47:49,239 --> 00:47:53,440 Speaker 1: okay with someone using the dark science of of marketing. 883 00:47:54,000 --> 00:47:56,719 Speaker 1: H If it results in people brushing their teeth more like, 884 00:47:56,760 --> 00:47:59,520 Speaker 1: if it if it actually results an improved dental hygiene, 885 00:48:00,000 --> 00:48:01,960 Speaker 1: it's good. Yeah, I guess you're right. I mean, as 886 00:48:02,000 --> 00:48:04,319 Speaker 1: long as it is as long as people retain the 887 00:48:04,360 --> 00:48:07,600 Speaker 1: idea that brushing is important whether you have toothpaste or not. 888 00:48:07,760 --> 00:48:10,319 Speaker 1: But toothpaste can help. Still at the end of the day, 889 00:48:10,719 --> 00:48:13,960 Speaker 1: I'm very pro toothpaste. Oh, I mean me too. Without it, 890 00:48:14,120 --> 00:48:17,759 Speaker 1: I can only imagine how I would spend the day 891 00:48:18,160 --> 00:48:21,360 Speaker 1: just thinking of the horrors of hell lurking under my tongue. 892 00:48:21,960 --> 00:48:24,799 Speaker 1: I am one of the people who's been affected by this, uh, 893 00:48:24,880 --> 00:48:27,640 Speaker 1: this this tingling cycle, the queue and the routine and 894 00:48:27,680 --> 00:48:30,120 Speaker 1: the reward. I've got to feel the minty tingle in 895 00:48:30,200 --> 00:48:32,920 Speaker 1: my mouth. And in fact, I have actually used toothpaste 896 00:48:32,920 --> 00:48:36,520 Speaker 1: before that did not have the minty tingle after I 897 00:48:36,600 --> 00:48:39,479 Speaker 1: was done brushing. I'm sure it helped clean my mouth 898 00:48:39,560 --> 00:48:41,759 Speaker 1: just as good as as a minty toothpaste died. But 899 00:48:41,840 --> 00:48:44,680 Speaker 1: my mouth didn't feel like it was clean. Yeah. The 900 00:48:44,840 --> 00:48:47,600 Speaker 1: whole business of clean is is a complex one, and 901 00:48:47,640 --> 00:48:50,600 Speaker 1: this is one of the topics of Virginia. Smith comes 902 00:48:50,640 --> 00:48:52,920 Speaker 1: back to time and time again in the book, is 903 00:48:52,960 --> 00:48:57,000 Speaker 1: that throughout human history we have hygiene like and then 904 00:48:57,040 --> 00:49:00,120 Speaker 1: we have we have this idea of cleanliness that that 905 00:49:00,280 --> 00:49:03,319 Speaker 1: is detached from the body and these two things just 906 00:49:03,400 --> 00:49:08,160 Speaker 1: become intertwined in human culture and very difficult to to 907 00:49:08,239 --> 00:49:11,759 Speaker 1: pull apart. So the things that are are things that 908 00:49:11,800 --> 00:49:14,000 Speaker 1: are hygienic and things that are clean. It's often that 909 00:49:14,080 --> 00:49:16,840 Speaker 1: they're complicated and they're intertwined to the point that you 910 00:49:17,080 --> 00:49:19,439 Speaker 1: just really can't separate them. Again, well, I think there's 911 00:49:19,440 --> 00:49:22,400 Speaker 1: a case to be made psychologically and sort of theoretically 912 00:49:22,480 --> 00:49:26,160 Speaker 1: that the the cleanliness drive, the hygiene drive is sort 913 00:49:26,200 --> 00:49:31,279 Speaker 1: of part of the over of the overarching orderliness mindset, 914 00:49:31,880 --> 00:49:34,839 Speaker 1: which is a powerful part of of human psychology and 915 00:49:34,920 --> 00:49:37,359 Speaker 1: can be deployed for for great good and great ill. 916 00:49:37,880 --> 00:49:40,840 Speaker 1: I think some people would say that the orderliness drive 917 00:49:41,040 --> 00:49:44,000 Speaker 1: gives us civilization and and all that, but it also 918 00:49:44,080 --> 00:49:47,239 Speaker 1: gives people, uh, I don't know, fascism and all that 919 00:49:47,320 --> 00:49:51,640 Speaker 1: kind of stuff. So uh so, hey, keep your mouth clean, 920 00:49:51,719 --> 00:49:54,440 Speaker 1: but don't practice fascism of the mouth. I don't know, 921 00:49:54,480 --> 00:49:57,239 Speaker 1: I'd say, go practice fascism of the mouth. At least 922 00:49:57,239 --> 00:49:58,960 Speaker 1: it's going to be a very orderly state in there. 923 00:49:59,760 --> 00:50:01,520 Speaker 1: But we can we'll just have to agree to disagree 924 00:50:01,520 --> 00:50:05,120 Speaker 1: on that, all right. So there you have another episode 925 00:50:05,160 --> 00:50:08,719 Speaker 1: of invention. In the books, we looked at toothpaste. Who 926 00:50:08,719 --> 00:50:10,520 Speaker 1: knows what we'll look at next. We didn't even talk 927 00:50:10,560 --> 00:50:12,799 Speaker 1: about flossing all that much, but dental floss is another 928 00:50:12,800 --> 00:50:16,680 Speaker 1: invention of the post War War two uh dental world. 929 00:50:16,840 --> 00:50:20,239 Speaker 1: If dental floss is independently interesting, we will revisit it, 930 00:50:20,400 --> 00:50:23,200 Speaker 1: all right. So that's it for this week's episode of Invention. 931 00:50:23,320 --> 00:50:24,719 Speaker 1: If you want to learn more about the show and 932 00:50:24,800 --> 00:50:27,719 Speaker 1: check out other episodes, head on over to our website 933 00:50:27,880 --> 00:50:32,160 Speaker 1: invention pod dot com. Big thanks to Scott Benjamin for 934 00:50:32,320 --> 00:50:35,720 Speaker 1: research assistance with this episode, thanks to our audio producer 935 00:50:35,760 --> 00:50:38,200 Speaker 1: Tari Harrison. If you would like to get in touch 936 00:50:38,239 --> 00:50:41,160 Speaker 1: with us directly with feedback on this episode or any other, 937 00:50:41,360 --> 00:50:43,560 Speaker 1: to suggest a topic for the future, or just to 938 00:50:43,640 --> 00:50:45,560 Speaker 1: say hi, let us know how you found out about 939 00:50:45,560 --> 00:50:48,600 Speaker 1: the show where you listen from all that kind of stuff, 940 00:50:48,600 --> 00:50:53,000 Speaker 1: you can email us at contact at invention pod dot 941 00:50:53,040 --> 00:51:03,000 Speaker 1: com the rep day and your pearlier with your da