For sure. As with humans, you can tell an ape’s age by looking at its teeth, says Erin Stromberg, primate keeper at the Smithsonian National Zoo. In fact, most mammals have two sets of teeth in ...

Why do humans have canine teeth? Patrick McGannon, Surprise, Arizona All primate species have them, says Sabrina Sholts, a curator of physical anthropology at the Museum of Natural History.

Seniors are living longer than ever before. Advances in oral health care prevention and disease treatment mean that many seniors will retain more of their natural teeth. When we age, teeth undergo ...