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 ...

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 4-month-old infant in Maryland may be the first person to have had teeth form in his brain as a result of a specific type of rare brain tumor, according to a new report of the case. The boy is doing ...

Piranha fish are incredible animals that have gotten a bit of a bad reputation over the years. Though relatively small, the fish sport jaws lined with incredibly sharp teeth that they can use to tear ...

Anyone who has had their wisdom teeth removed knows that they’re a real pain in the … mouth. Now, a study detailed in the Sept. 27 issue of the journal Nature finds these annoying teeth may only exist ...

Hypophosphatasia (HPP), also called Rathbun disease, is a rare, inherited condition that affects how your bones and teeth form. It causes problems with mineralization in your body, which is a process ...

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 ...