90 votes
Accepted

Were George Washington's teeth ripped from the mouths of living slaves?

We do know that (at least one of) his dentures used human teeth, as you can see in this picture of the exhibit (taken from Snopes), which says: Contrary to popular myth, Washington’s false teeth were ...
Laurel's user avatar
  • 31.2k
17 votes
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Does Xylitol Need be Ingested to Reduce Tooth Decay?

That's an interesting question! So I will first explain the exact mechanism of Xylitol in our oral cavity. Xylitol, is a naturally occurring five-carbon sugar polyol, a white crystalline carbohydrate....
Ojasvi's user avatar
  • 406
16 votes

Can a lightbulb once inserted into your mouth be safely removed?

While it's a bad idea to put fragile glass objects in your mouth, the primary assertion here is clearly false. First of all, there are at least five different YouTube videos where people try it out ...
Brian Z's user avatar
  • 7,470
9 votes

Does Honey Promote Tooth Decay or Prevent It?

It's important to begin by discussing the mechanism that drives tooth decay: Chapter 99 – Microbiology of Dental Decay and Periodontal Disease. Loesche. Medical Microbiology. 1996. Dental ...
Bruce Kirkpatrick's user avatar
9 votes
Accepted

Does Sipping Soda Through a Straw Prevent Tooth Decay?

It won't prevent, it can reduce the harm of drinking soda, but only in a specific usage, which is not the common one, using a straw in the "wrong" way would cause more damage to the teeth. ...
SIMEL's user avatar
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8 votes
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Does using a fluoride-based toothpaste or fluoride-supplemented tap water lead to higher fluoride concentration in the pineal gland?

There is significant discussion of this issue in Fluoride in Drinking Water: Scientific Review of EPA's Standards (2006), particularly in chapter 8, Effects on the Endocrine System. This book is a ...
DavePhD's user avatar
  • 107k
8 votes
Accepted

Is brushing your teeth after vomiting dangerous for your teeth?

If brushing your teeth with traces of acid in your mouth really is dangerous, shouldn't we hear about it without mentioning of vomit? Yes, and we do (from Colgate): You should know, however, ...
Brythan's user avatar
  • 10.2k
8 votes

Is "tongue on roof of mouth" the correct tongue posture?

Mew's orthotropics are considered fringe or pseudoscience because they lack the standard scientific support such as randomized controlled trials. Sir, I was bemused to find myself reading the book ...
Dolphin 613 Motorboat's user avatar
7 votes

Are people receiving spontaneous gold dental prostheses without dentist intervention?

There is no genuine proof that those golden/silver crowns were not put in by dentists. It is quite common in dentistry to restore a missing or carious tooth by a gold crown or a gold restoration. Also ...
Ojasvi's user avatar
  • 406
5 votes
Accepted

Is coconut oil effective as a toothpaste or in promoting oral health?

Effects of coconut oil on oral health: A 2016 study showed coconut oil pulling to be a safe and effective alternative to Chlorhexidine mouthwash since there was a significant reduction in ...
pericles316's user avatar
  • 22.7k
5 votes

Does alcohol-free "essential oil" mouthwash kill bacteria in your mouth?

Essential oils can definitely kill bacteria; however, the other complicating factor related to alcohol is the biofilm. Penetrating the plaque biofilm: impact of essential oil mouthwash. This suggests ...
dancampers's user avatar
4 votes

Home-made vs. commercial toothpaste?

Commercial toothpastes contain fluoride. Home-made ones don't. Fluoride effect on cavity reduction is well-established. For example: https://www.ncbi.nlm.nih.gov/m/pubmed/16208382/ As such, your ...
Jeffrey's user avatar
  • 140
4 votes

Root canals cause heart attacks?

There has been talk of link between gum disease and heart disease for quite some time. There is an article discussing how Streptococcus bacteria can migrate from the mouth to the heart here: How ...
Beauregard Slim's user avatar
4 votes

Is diet soda as bad for your teeth as regular soda or methamphetamine?

In this answer, "diet soda" refers to any sugar-free version of the drinks known as soda. "In many parts of the U.S., soda is a sweet, fizzy drink (Vocabulary.com)." Is diet soda as bad for your ...
Jan's user avatar
  • 5,022
3 votes
Accepted

Does Propolis in toothpaste protect the gums and the mouth area?

In short, the research I looked at found that propolis can have anti-plaque, anti-tartar, and antibacterial effects. Just be careful you're not allergic to it. A pretty comprehensive review article ...
Laurel's user avatar
  • 31.2k
3 votes
Accepted

Root canals cause heart attacks?

According to current research, there is no definitive evidence that root canals lead to heart attacks or heart disease. However, the reverse may be true: research suggests that heart disease may lead ...
Giter's user avatar
  • 11.4k
3 votes
Accepted

Does Milk Protect or Harm Your Teeth?

The book may actually be correct and Mayo (surprisingly) rather wrong here. According to a 2020 review: Several published reviews have concluded that milk is of very low cariogenicity and may have ...
Dolphin 613 Motorboat's user avatar
3 votes

Are people receiving spontaneous gold dental prostheses without dentist intervention?

The only known way to produce gold (outside mining from the earth the deposits left by ancient stars) is through nuclear transmutation, or in the specific case of gold, the term "alchemy" ...
TCooper's user avatar
  • 876
2 votes

Do dental chews for pets reduce plaque and tartar?

Summary Yes, they help. (Note: Calculus is another name for tartar.) Dogs Effective Periodontal Disease Control Using Dental Hygiene Chews, Wendy Brown and Phil McGently, DOI: 10.1177/...
Oddthinking's user avatar
  • 142k
2 votes
Accepted

Are children's baby/milk teeth a potentially useful supply of stem cells?

There is a 2015 review article Osteogenic Potential of Dental Mesenchymal Stem Cells in Preclinical Studies: A Systematic Review Using Modified ARRIVE and CONSORT Guidelines.: Silvério et al. [51] in ...
DavePhD's user avatar
  • 107k
1 vote

Can wisdom teeth replace 2nd molars?

See A prospective study on transplantation of third molars with complete root formation Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology vol. 97, pp. 231–238. A total of ...
DavePhD's user avatar
  • 107k

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