Teeth contribute to the important functions of food mastication, swallowing, digestion, speech, and aesthetics in humans. Each tooth component serves a specific purpose. The development of human teeth ...

Craze lines are small vertical cracks in the enamel of your teeth. They aren’t painful, but they can be unsightly.‌ Craze lines aren’t usually a health problem. But what causes them might be. Dentin.

What is that how can a tooth survive the years and bear any intelligible mark of the molecules on its side when bone and other soft tissue have long since decayed? In the case of ancient-DNA, teeth ...