Lack of knowledge of anatomic variations and their characteristics in different teeth has been one of the main causes of endodontic therapy failure. Mandibular 1st molars commonly have three canals or four canals, five canals are rarely present. In this report, the authors describe the endodontic treatment of a mandibular first molar with five root canals, evaluate the rate of occurrence of this number of canals, and discuss the importance of their identification and treatment.
Impact Factor
2022: 6.012
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