How did teeth evolve? - Peter S. Ungar
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That said, who among us has perfect teeth? Many of us have dental issues, like cavities, periodontal disease, impacted wisdom teeth, and other orthodontic problems. Other mammals tend not to have these same issues. What makes us so different? Part of the answer seems to lay in the fact that our ancestors did not evolve to eat the kinds of foods we feed our kids today. The educator of this lesson, Peter Ungar, wrote an article for the online magazine Aeon that discusses this idea further.
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