The Komodo dragon, one of the planet’s fiercest reptiles, reinforces its teeth with an iron cap – and researchers think some dinosaurs may have had this adaptation too. Komodo dragons (Varanus ...

Hydrogen peroxide, the active ingredient in over-the-counter whitening strips, may be harmful to the layer under the enamel of teeth, according to research presented Tuesday at a scientific meeting.

By analyzing layers in these teeth, scientists have pinpointed a critical window when baby brains are most vulnerable to ...

A new study examined baby teeth and found there are critical windows early in a child's life when their developing brains are particularly vulnerable to exposures to metals in the environment.