Mamelons are the small bumps on your four front teeth called incisors. They usually appear as a group of three and wear down as you age. Mamelons don't need any special treatment. They give your teeth ...

Celebrities and civilians alike are “fixing” their natural teeth. Now everybody has the same smile … and it’s kind of creepy. BEVERLY HILLS, Calif. Have you ever looked at Selena Gomez’s teeth? Like, ...

From the riverbed of the Río Alto Madre de Dios in southeastern Peru, researchers have found an extremely small tooth that belonged to a species of tiny monkey that lived some 18 million years ago.

Ancient marine animals called conodonts possessed incredibly sharp feeding elements. New research shows these extinct creatures had sharper tips than any living vertebrate. Scientists used advanced ...