Beavers provide insight on how to improve our enamel

ENN
Feb 13, 2015, 9:50 am24 pts
Beavers don’t brush their teeth, and they don’t drink fluoridated water, but a new Northwestern University study reports beavers do have protection against tooth decay built into the chemical structure of their teeth: iron. This pigmented enamel, the researchers found, is both harder and more resistant to…

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