AT A CLINIC at the University of California, San Francisco, dentists in training hone their "drill-and-fill" skills for treating patients with cavities. But in a lab across the hall from the clinic, a ...

We don’t associate loss of tooth structure with the aging we see in the mirror. We should. By Crystal Martin Our thoughts on teeth and aging typically begin and end at color. A white smile is youthful ...

Teeth are called incisors, canines, premolars, and molars. Each type of tooth has a specific function, including biting, chewing, and grinding food. Teeth are made up of different layers — enamel, ...