Apical Foramen

Opening at tip of root- allows passage of nerves and blood vessels.

Ridge

Area of alveolar bone that holds teeth.

Root

2/3 of height of tooth; embedded in bone.

Tissue

Mass of specialized cells similar in structure and function.

Crown

1/3 of height of tooth; visible portion of tooth covered with enamel.

Apex

Tip of root.

Cervical

Refers to junction between crown and root.

Pulp

Living portion of tooth.

Trauma

Chemical or mechanical injury.

Pulp Chamber

Hollow portion of tooth that houses pulp.

Vital

Alive; pertaining to live.

Enamel

Hardest calcified structure in body; covers crown.

Dentin

Bulk of tooth; covered by enamel.

Odontoblasts

Cells that form dentin; produced by pulp.

Cementum

Thin bone- like covering on root of tooth.

Periodontium

Supporting structure of teeth; gingival; alveolar process periodontal membrane.

Degeneration

Normal aging process of pulp.

Interproximal

Word meaning btween the teeth.

Cementoblasts

Cells that form cementum; produced by periodontal membrane.

Contact Point

Where proximal surfaces touch.

Trifurcated

Having three roots e.g. maxillary molar.

Cingulum

The bulk of enamel on the cervical portion at the lingual of anteriors.

Groove

A linear channel of sulcus on surface of a tooth.

Sulcus

V- shaped linear depression; between tooth and free gingival or on occlusal surfaces.

Bifurcated

Having two roots e.g. mandibular molar.