Why humans can’t regrow teeth

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.

(Visited 27 times, 1 visits today)

You might be interested in

LEAVE YOUR COMMENT

Your email address will not be published. Required fields are marked *