title: The multiple root canal system in a maxillary second molar. A case report.
authors.forename: K O
authors.initials: KO
authors.lastname: Crosby
authors.forename: R A
authors.initials: RA
authors.lastname: Barkhordar
mesh_terms: D000328:Adult; D003786:Dental Pulp Cavity / Q000002:abnormalities*; D006801:Humans; D008297:Male; D008963:Molar / Q000002:abnormalities*; D014092:Tooth Root / Q000002:abnormalities*