A system of opposing genetic forces determines why mammals develop a single row of teeth, while sharks sport several, according to a study published today in the journal Science. When completely ...

A study out of Japan showed how targeting genes can regrow teeth in animals. Now, the team has turned to a human clinical ...

Even before birth, however, the permanent change of teeth begins and the newly formed teeth show the first primary serrations. "This means that the first teeth are even changed in the womb -- and ...

Research adds way more value to baby teeth than the tooth fairy ever could. The keepsake may reveal patterns scientists are ...