Microdont

Definition: A smaller than average tooth.

Radiographic Features:

Location: Most frequently affects third molars, supernumerary teeth and maxillary lateral incisors (referred to as peg laterals).

Edge: Well-defined.

Shape: A small tooth.

Internal: Mixed radiopaque/radiolucent. Radiopacity of enamel and dentin.  Radiolucency of pulp chamber/root canal.

Other: None.

Number: May be single or multiple.

(click image to enlarge)

Microdont

(circle around small supernumerary tooth)

Microdont

(small maxillary left third molar -#16)

Microdont

(small maxillary right lateral incisor -#7 or peg lateral)

Microdont

(small maxillary third molars – #1 and 16)

Microdont

(small maxillary right third molar -#1)