title: [Maxillary first molar with three mesiobuccal root canals: a case report].
abstract: Three root canals in the mesiobuccal root of maxillary first molar is unusual. The aim of this case report was to describe a maxillary first molar that presented three root canals in the mesiobuccal root. The distance among the three canal orifices was 1.5 mm. The working lengths of the three canals were within the normal range.
authors.affiliation: Dept. of Stomatology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing 100730, China.
authors.forename: Lin
authors.initials: L
authors.lastname: Ma
authors.forename: Jie
authors.initials: J
authors.lastname: Yu
authors.forename: Jian-jun
authors.initials: JJ
authors.lastname: Sun
mesh_terms: D003786:Dental Pulp Cavity; D006801:Humans; D008437:Maxilla; D008963:Molar; D014092:Tooth Root