Definition: Calcified entity or entities in the pulp chamber or root canal.
Radiographic Features:
Location: Pulp chamber and/or root canal.
Edge: Well-defined.
Shape: Round, ovoid.
Internal: Radiopaque.
Other: If a pulp stone is large it may alter the shape of the pulp chamber and/or root canal.
Number: May be single or multiple.
(click image to enlarge)
Pulp stone in mandibular left canine (#22), note enlarged shape of root canal due to the pulp stone
Pulp stones in both premolars
Pulp stones in all three anterior teeth, note enlarged shape of pulp chamber/root canal due to the pulp stones
Pulp stones in both premolars enlarging the root canal