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 ...

The National Institutes of Health identifies several signs of gum disease, including red, swollen, or bleeding gums; pain while chewing; persistent bad breath; and loose or sensitive teeth.

Tap water across America has, for decades, been fortified with fluoride, a negatively charged ion of the chemical element fluorine, in order to strengthen the public’s teeth. But a scientific ...

Scientists in Japan are working on a medication to allow humans to grow a third set of teeth. This treatment focuses on a gene responsible for tooth growth and has begun clinical trials.

What if, instead, they could regrow their pearly whites, perhaps at a fraction of the cost? Approaches that replace — rather than patch up — teeth with crowns or fillings may be closer than you think.