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 ...

Teeth function not only because of the hard enamel on the surface, but also because they have roots that anchor them firmly ...

Children’s first teeth form while they are still in the uterus, but it usually takes time for those teeth to come in and emerge from their gums. But which teeth come in first? The set of teeth that ...

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