Orthognatic surgical treatment of skeletal Class III maloclusion: Case report

In this case report was presented a patient with skeletal class iii malocclusion that were treated with orthognatic surgery and orthodontic treatment. our patient was a girl with 16 years, 3 months of chronologic and ru period of skeletal age. a concave soft tissue profile and class iii molar relation were detected in extraoral and intraoral examination. cephalometric evaluation revealed a significant class iii skeletal discrepancy (anbº= –6). presurgical orthodontics was conducted which involves decompensation of incisor inclinations. surgical operation was performed under general anesthesia with lefort i downfracture technique. maxilla was advanced 8 mm and fixed with rigid internal fixation. post–surgical orthodontic treatment involved final positioning of the teeth and settling the occlusion. at the end of the treatment, class i dental and skeletal occlusion and a straight soft tissue profile were achieved.