Could Humans Ever Regrow Teeth?

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Many animals—sharks and manatees, for instance—can regrow their teeth throughout their lives. Humans aren't so fortunate, but scientists may be about to change that. Watch the video below to find out how.

Could Humans Ever Regrow Teeth?

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Key Facts In This Video

  1. Dolphin's only grow one set of teeth and you can age them by counting their rings. 00:41

  2. Cheese prevents tooth decay. 01:17

  3. Babies can be born with teeth. 01:45

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