Conclusion Mandibular width after bilateralsagittal split ramus osteotomy is a little bigger than before surgery, but this change has little influence on face.
结论①下颌骨宽度在双侧下颌升支矢状劈开截骨术后较术前有轻微增大，但对容貌没有大的影响。
2
The two most commonly used surgical techniques to setback a prognathic mandible include the bilateralsagittal split osteotomy and the vertical ramus osteotomy.