Abstract
In cases of jaw deformity, bimaxillary surgery combining Le Fort I osteotomy and sagittal split ramus osteotomy (SSRO) is one of the standard operations. However, this operation can be difficult to use in cases of severe mandibular prognathism because of the large amount of setback. We report herein a case of severe mandibular prognathism treated with a two-stage surgical procedure. At the first stage, we performed mandibular body ostectomy, followed at the second stage by maxillary advancement by Le Fort I osteotomy and mandibular set-back by sagittal split ramus osteotomy. This unique two-stage surgical treatment improved and kept the patient's overall facial aesthetics and occlusion for one year postoperatively.
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