What if we could grow new teeth from stem cells to replace lost ones or fix others that have big cavities again via tooth stem cells? While humans and some other animals like dogs have only two sets of teeth — so-called baby and adult teeth — in their lives, other animals aren’t so limited. For instance, alligators and sharks effectively can have a limitless ability to replace lost teeth with new ones. Over millions of years, billions of sharks have been losing teeth and …Read More
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