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Year : 2012  |  Volume : 2  |  Issue : 3  |  Page : 156-160

Bilateral mandibular second premolars with three separate roots

Department of Conservative Dentistry and Endodontics, Dental School, Arab American University, Jenin, Palestine

Correspondence Address:
Raed Hakam Mukhaimer
Department of Conservative Dentistry and Endodontics, Dental School, Arab American University, PO Box 240, Jenin
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1658-5984.112711

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The mandibular second premolar is usually described as a single-rooted tooth with a single root canal. However, three root canals may be found but the occurrence of three separate roots is extremely rare. This report describes the case of a patient with bilateral mandibular second premolar with three roots and three root canals. The pre-operative radiograph of the right premolar revealed the presence of three roots, while the radiograph of the left premolar looked unusual and showed two roots. The access cavity preparation was extended and three orifices leading to three roots were found. All root canals were cleaned, shaped, and obturated. The post-operative radiograph showed a satisfactory root canal filling. Clinicians should always consider the presence of anatomical variations in the teeth during endodontic treatments. Despite the low prevalence, variations may occur in the number of roots and root canals of mandibular second premolars, as demonstrated in this case report.

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