Beavers Offer Tips on Cavity Prevention

February 18, 2015 5:00 PM

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WEDNESDAY, Feb. 18, 2015 (HealthDay News) -- Beavers don't need to brush or floss because the presence of iron in their tooth enamel gives them superior protection against tooth decay, researchers report.

Beavers' enamel is harder and more resistant to acid than regular enamel, including enamel treated with fluoride, according to the Northwestern University researchers.

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