Teeth: Names, types, and functions

Teeth are made up of different layers — enamel, dentin, pulp, and cementum. Enamel, which is the hardest substance in the body, is on the outside of the tooth. The second layer is dentin, which is softer than enamel, and the deepest layer inside the tooth is pulp,...

How does tooth enamel last a lifetime?

If we cut our skin or break a bone, these tissues will repair themselves; our bodies are excellent at recovering from injury. Tooth enamel, however, cannot regenerate, and the oral cavity is a hostile environment. Every mealtime, enamel is put under incredible stress;...

How does tooth enamel last a lifetime?

If we cut our skin or break a bone, these tissues will repair themselves; our bodies are excellent at recovering from injury. Tooth enamel, however, cannot regenerate, and the oral cavity is a hostile environment. Every mealtime, enamel is put under incredible stress;...