title: Wide-bladed mandibular channel retractor efficiently secures surgical manoeuvres during ramus osteotomy.
authors.affiliation: Department of Oral and Maxillofacial Surgery, Division of Oral Pathobiological Science, Graduate School of Dental Medicine, Hokkaido University, N13 W7, Kita-ku, Sapporo, Hokkaido 060-8586, Japan. Electronic address: matsushi@den.hokudai.ac.jp.
authors.forename: K
authors.initials: K
authors.lastname: Matsushita
mesh_terms: D004867:Equipment Design; D006801:Humans; D008334:Mandible / Q000098:blood supply / Q000601:surgery; D059229:Osteotomy, Sagittal Split Ramus / Q000295:instrumentation*; D010521:Periosteum / Q000601:surgery
keywords: Complication; Facial artery; Facial vein; Retractor; Sagittal split ramus osteotomy