Correction of prominent mandibular angle by prolong curved osteotomy

Objective To investigate a better osteotomy method for correction of hypertrophy mandibule angle.Methods For gain optimal operation outcome,we used prolong carved mandible angle osteotomy by intraoral approach.we extended osteotomy line to mental nerve.and mental tuber was scoured,Augmentation chin or genioplasty was performed if the patient was subject to microgenia. Results Since 2002,320 cases who were subject to prominent mandibular angle underwent elongated curved mandible angle osteotomy. All cases gained more beautiful facial contour. Conclusion Application of intraoral extended curved osteotomy for treatment hypertrophy mandibule can gain better outcome.