title: Computer-assisted preoperative simulation for positioning of plate fixation in Lefort I osteotomy: A case report.
abstract: Computed tomography images are used for three-dimensional planning in orthognathic surgery. This facilitates the actual surgery by simulating the surgical scenario. We performed a computer-assisted virtual orthognathic surgical procedure using optically scanned three-dimensional (3D) data and real computed tomography data on a personal computer. It helped maxillary bone movement and positioning and the titanium plate temporary fixation and positioning. This simulated the surgical procedure, which made the procedure easy, and we could perform precise actual surgery and could forecast the postsurgery outcome. This simulation method promises great potential in orthognathic surgery to help surgeons plan and perform operative procedures more precisely.
authors.affiliation: Department of Oral-Maxillofacial Surgery, Dentistry and Orthodontics, The University of Tokyo Hospital, Tokyo, Japan. Electronic address: suenaga-tky@umin.ac.jp.
authors.forename: Hideyuki
authors.initials: H
authors.lastname: Suenaga
authors.affiliation: Department of Oral-Maxillofacial Surgery, Dentistry and Orthodontics, The University of Tokyo Hospital, Tokyo, Japan.
authors.forename: Asako
authors.initials: A
authors.lastname: Taniguchi
authors.affiliation: Department of Oral-Maxillofacial Surgery, Dentistry and Orthodontics, The University of Tokyo Hospital, Tokyo, Japan.
authors.forename: Kazumichi
authors.initials: K
authors.lastname: Yonenaga
authors.affiliation: Department of Oral-Maxillofacial Surgery, Dentistry and Orthodontics, The University of Tokyo Hospital, Tokyo, Japan.
authors.forename: Kazuto
authors.initials: K
authors.lastname: Hoshi
authors.affiliation: Department of Oral-Maxillofacial Surgery, Dentistry and Orthodontics, The University of Tokyo Hospital, Tokyo, Japan.
authors.forename: Tsuyoshi
authors.initials: T
authors.lastname: Takato
mesh_terms: D005260:Female; D006801:Humans; D021621:Imaging, Three-Dimensional / Q000379:methods; D008334:Mandible / Q000601:surgery*; D008437:Maxilla / Q000601:surgery*; D056948:Orthognathic Surgical Procedures / Q000379:methods*; D010027:Osteotomy / Q000379:methods*; D010347:Patient Care Planning; D025321:Surgery, Computer-Assisted / Q000379:methods*; D014057:Tomography, X-Ray Computed; D055815:Young Adult
keywords: Lefort I osteotomy; orthognathic surgery; plate fixation; visualized treatment objective