title: [Left lower first premolar with 3 root canals: a case report].
abstract: 3 root canals were found when a left lower first premolar, which preoperative radiograph showing root canal variety, was treated and were verified by postoperative radiograph. The root canal variety of lower premolars should be paid more attention to prevent root canal from losing.
authors: Dept. of Endodontics, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China.
authors: Xue-qian
authors: XQ
authors: Chi
authors: Cui-li
authors: CL
authors: Cao
authors: Ya-jun
authors: YJ
authors: Feng
mesh_terms: D001641:Bicuspid; D003786:Dental Pulp Cavity; D006801:Humans; D008334:Mandible; D011184:Postoperative Period; D012390:Root Canal Therapy