title: Mandibular molars with five canals: report of two cases.
abstract: A mandibular first and second molar found to contain five root canals are described. Recent literature pertaining to unusual root canal morphological structure is reviewed and a recommendation is made for a complete and thorough examination of the chamber floor for even seemingly straightforward and simple nonsurgical endodontic cases.
mesh_terms: D000328:Adult; D003786:Dental Pulp Cavity / Q000002:abnormalities*; D005260:Female; D006801:Humans; D008297:Male; D008963:Molar / Q000002:abnormalities*; D012390:Root Canal Therapy