While bones can regrow themselves when they break, teeth aren’t so lucky, and that leads to millions of people worldwide suffering from some form of edentulism, a.k.a. toothlessness. Now, Japanese ...

Most animals mature quickly. Humans take their time. The reasons are complex.

Sitting in a dentist’s waiting room is a dread that can only be numbed by Novocaine. No one wants a drill in their mouth, after all. But what if you never needed a root canal again, and could instead ...