Tooth Surfaces

Buccal

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