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A 17-year-old male asked:

my doctor adivised me to use toothpaste (i have some tooth decay). how can i reduce the risk of fluoride? can fluoride cause ulcers? thanks.

3 doctor answers4 doctors weighed in
Dr. Paul Grin
Pain Management 36 years experience
ADA Seal: just for your information, the criteria the ADA uses for awarding the Seal are frequently more demanding that those of the FDA. Any product with ADA SEAL is to prove safety and effectiveness of any oral product. The amount of Fluoride found in pastes is completely safe for brushing and no causing ulcers. The fluoride-free toothpaste is also available. Ask your dentist for more information.
Dr. Arnold Malerman
Orthodontics 53 years experience
No: Fluoride does NOT cause ulcers. Fluoride in therapeutic amounts is perfectly safe. If not life expectancy would have gone down since fluoridated toothpaste was invented. The opposite is true, life expectancy is going up. Get your cavities fixed first, then start using a pea-sized portion of fluoridated toothpaste, at least 2x/day, and brush for 2 full minutes by the clock.
Dr. Jack Binder
Specializes in Dentistry
Don't eat it: Fluoride absolutely helps prevent dental decay. Use the right amount, and don't swallow it.

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Last updated Jun 25, 2014

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