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  • Title: Bimaxillary Orthognathic Approach to Correct Skeletal Facial Asymmetry of Hemifacial Microsomia in Adults.
    Author: Luo E, Yang S, Du W, Chen Q, Liao C, Fei W, Hu J.
    Journal: Aesthetic Plast Surg; 2016 Jun; 40(3):400-9. PubMed ID: 26908014.
    Abstract:
    BACKGROUND: Hemifacial microsomia (HFM) is the second most common congenital craniofacial deformity after cleft lip and palate. Distraction osteogenesis (DO) is regarded as an alternative and efficient treatment option for patients with HFM. However, DO was not proven effective for all cases, and the results of long-term follow-up were not satisfactory as expected. Compared with DO, the orthognathic surgery approach may offer more stable clinical outcomes for this kind of disease. The purpose of this study is to evaluate the long-term clinical and radiographic outcome of bimaxillary orthognathic surgery in the treatment of adult HFM. METHODS: Eight patients with HFM who had undergone bimaxillary orthognathic surgery between 2008 and 2012 were included in the study. The surgical procedures included Le Fort I osteotomy, inverted-L osteotomy, sagittal split ramus osteotomy, genioplasty, and iliac bone grafting. Pre- and postoperative orthodontic treatments were performed, respectively. Clinical and radiographic examinations were carried out to assess postoperative outcomes. RESULTS: No obvious complications appeared postoperatively and no recurrences occurred during follow-up. All patients obtained satisfactory aesthetic results. Marked improvement in facial contour and occlusion were observed. Plain radiographs showed that the height ratios between the affected and unaffected ramus were ameliorated significantly. CONCLUSION: The bimaxillary orthognathic approach to correct the deformity of adult HFM can obtain stable results in the long-term follow-up, and should be considered as a priority method for the treatment of adult patients with dentofacial deformity. LEVEL OF EVIDENCE V: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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