Tehran University of Medical Sciences Frontiers in Dentistry 2676-296X 10 6 2013 12 15 Root canal treatment of a mandibular second premolar with three roots and canals - an anatomic variation. 569 74 Bhavana Gandhi Postgraduate Student, Department of Conservative Dentistry and Endodontics, KLE VK Institute of Dental Sciences, Nehru Nagar, Belgaum. Anand C Patil Pofessor and Head, Department of Conservative Dentistry and Endodontics, KLE VK Institute of Dental Sciences, Nehru Nagar, Belgaum. 2015 10 16 Dental anatomical variations play a significant role in the diagnosis and a successful treatment outcome in endodontics. It is essential for the clinician to have a clear picture and understanding of the pulpal anatomy and its variations. In a mandibular second premolar, it is rare to find extra roots and canals. The aim of the present article is to report a case about the successful diagnosis, and clinical management of a three-rooted mandibular second premolar with three independent roots and canals. https://fid.tums.ac.ir/index.php/fid/article/view/575 https://fid.tums.ac.ir/index.php/fid/article/download/575/550