Tooth Anatomy

the part of the the tooth that protrudes through the gingiva/gum that is visible and functional

Crown

the portion of the tooth that rests in between the crown and root of the tooth

Neck

part of the tooth under the gums that extends into the bones and holds the tooth in place

Root

hard tissue that the teeth reside in

Bone

A group of hair-like ligaments between the bone and the root that serves as a shock absorber for the tooth

Periodontal Ligament (PDL)

outer layer covering of the anatomic root of a tooth

Cementum

the tapered end of each root tip where the nerve exits the tooth

Apex

the space occupied by pulp

Pulp Chamber/Cavity

The hard portion of the root that surrounds the pulp and is covered by enamel on the crown and by cementum root

Dentin

outer layer covering the crown of the tooth, hardest material in the body

Enamel