title: Three canals in the mandibular second premolar.
authors.forename: R E
authors.initials: RE
authors.lastname: Mortman
authors.forename: S
authors.initials: S
authors.lastname: Ahn
mesh_terms: D000328:Adult; D001641:Bicuspid / Q000002:abnormalities*; D003786:Dental Pulp Cavity / Q000002:abnormalities*; D006801:Humans; D008297:Male; D008334:Mandible; D008875:Middle Aged; D012390:Root Canal Therapy