Journal
JOURNAL OF ENDODONTICS
Volume 34, Issue 1, Pages 104-107Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.joen.2007.10.004
Keywords
anatomic variations; four-rooted mandibular second premolar; spiral computed tomography scan
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Aberrations in the root canal anatomy are a commonly occurring phenomenon. A thorough knowledge of the basic root canal anatomy and its variations is necessary for successful completion of the endodontic treatment. Mandibular second premolars usually have a single root and a single root canal. The incidence of three separate roots itself in this tooth is quite rare, and the presence of four separate roots and four distinct root canals has never been reported in literature so far. The use of spiral computed tomography scan in this rare case greatly contributed towards making a confirmatory diagnosis and successful nonsurgical endodontic management thereafter.
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