Abstract
Maxillary first premolar is a bi-rooted tooth with several variations in the root canal morphology. Usually it has 2 canals, however at times there could be an additional third canal present which could easily be missed by the clinician owing to lack of awareness and knowledge about the canal variations. Awareness of internal and external anatomy of tooth and also about its variations are essential for successful endodontic therapy. Prevalence of three canals in maxillary premolar is very low. This case report describes the endodontic management of permanent maxillary premolars with three root canals
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