Definition: Resorption within the pulp chamber and/or root canal.
Radiographic Features:
Location: Any pulp chamber and/or root canal.
Edge: Well-defined, smooth outline, continuous with the pulp chamber and/or root canal.
Shape: Round to linear.
Internal: Radiolucent.
Other: Enlarges the pulp chamber and/or root canal.
Number: May be single or multiple.
(click image to enlarge)
Internal resorption
(mandibular left second premolar – # 20)
(left – with arrow) (right – without arrow)
Internal resorption
(maxillary right lateral incisor – # 7)
Internal resorption
(mandibular right central incisor – # 25)