A sectional view of a human molar. The roots, or fangs, are shown covered by a layer of bone called "cement", which is represented by letter c. The center of the tooth is the vascular pulp-cavity v, d is ivory or dentine, and e is the hardest tissue of the body - enamel.

Human Tooth

A sectional view of a human molar. The roots, or fangs, are shown covered by a layer of bone called…