title: Mandibular molar with merging mesiobuccal and distal root canals.
mesh_terms: D003786:Dental Pulp Cavity / Q000002:abnormalities*; D005260:Female; D006801:Humans; D008334:Mandible; D008875:Middle Aged; D008963:Molar / Q000002:abnormalities*; D012390:Root Canal Therapy