title: A mandibular first molar with a C-shaped root configuration.
authors.forename: W L
authors.initials: WL
authors.lastname: Bolger
authors.forename: W G
authors.initials: WG
authors.lastname: Schindler
mesh_terms: D003786:Dental Pulp Cavity / Q000002:abnormalities*; D006801:Humans; D008297:Male; D008334:Mandible; D008875:Middle Aged; D008963:Molar / Q000002:abnormalities; D010485:Periapical Periodontitis / Q000628:therapy; D012390:Root Canal Therapy; D014092:Tooth Root / Q000002:abnormalities*