title: [A mandibular second molar with three mesial roots: report of one case].
authors.affiliation: Stomatological Department of Peking University Third Hospital. Beijing 100191, China.
authors.forename: Ping
authors.initials: P
authors.lastname: Zhang
mesh_terms: D003786:Dental Pulp Cavity; D006801:Humans; D008334:Mandible; D008963:Molar; D012390:Root Canal Therapy; D014092:Tooth Root