Definition: Elongated body and pulp chamber of a multi-rooted tooth with shorter than normal roots.  The crown appears to be within the range of normal.

Radiographic Features:

Location: Most commonly seen on mandibular molars, but can be associated with any multi-rooted tooth.

Edge: Well-defined.

Shape: Elongated body of a tooth with shortened roots.

Internal: Radiopaque, same radiopacity as tooth structure.

Other: None.

Number: Can be either single or multiple.


(note the enlongated body and pulp chamber of the second molar – #18)


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