Diagnosis And Treatment of Mandibular First Molar With Three Mesial Root Canals - A Case Report.

The knowledge of the internal anatomy of root canals is very important for the success of endodontic treatment. Variations in dental anatomy are found in all teeth. Lack of knowledge of anatomic variations and their characteristics in different teeth has been one of the main causes of endodontic therapy failure. This case report describes the endodontic treatment of a mandibular first molar with five root canals, its incidence of occurrence and discusses the importance of their identification and treatment.