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Why humans can't regrow teeth

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Why humans can't regrow teeth

S
Science Insider

5 Views • Aug 31, 2021

Description

Humans can't grow new teeth, but we're not alone — most mammals can't. Many reptiles and fish can grow hundreds or even thousands of new teeth. Geckos grow over 1,000 new teeth in a lifetime. Humans can only grow two sets of teeth, baby and adult teeth, because of how they evolved over 300 million years ago.

Keywords & Tags

#Video #Health #Science #Animals #Animation #Teeth #Biology #Dentist #sai #bi-video

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