Tooth Surfaces

Buccal

**Posterior tooth** facial surface towards ==**the cheeks**==

Labial

**Anterior tooth** facial surface towards ==**the lips**==

Lingual

Posterior surface of **all the lower teeth** towards ==**the tongue**==

Palatal

Posterior surface of **all the upper teeth** towards ==**the palate**==

Proximal

side surfaces of teeth (Mesial and Distal)

Mesial

side surface of a tooth **closest** **to the midline**

Distal

side surface of a tooth **farthest** __from the midline__ of the face

Incisal

Cutting edge of **anterior teeth**

Occlusal

Grinding or chewing surface of **all posterior teeth**

Apical

Relative to the root tip end of the tooth (apex or root)

Cervical

Related to the middle or the gingival level of the tooth

Coronal

Related to the crown part

Furcation

Place where tooth roots branch apart

Pit

A **sharp pinpoint** depression on the surface of the ==**enamel**==

Fossa

An **irregular depression** or **concavity** on the surface of a ==**tooth**==

Groove

A **shallow linear depression** on the surface of a ==**tooth**==

Cusp

An **elevation** on the ==**crown of a tooth**==

Ridge

A **linear elevation** on the ==**surface of a tooth**==

What makes up the **bulk** of t__he cervical third of lingual surface__?

Cingulum

Cingulum

The lingual lobe of an **anterior tooth**

What are the divisions of the root?

1. Cervical third
2. Middle third
3. Apical third

What are the divisions of the crown?

1. Cervical third
2. Middle third
3. Incisal/Occlsual third

Why we divided the root or the crown into three halves?

To make study and communication easier