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下颌支矢状骨劈开术问世以来已有20多年,本手术方法在下颌前突或后缩的治疗上,得到了广泛的应用。主要优点是通过口内手术,在面部不遗留瘢痕;骨断面间接触面积大,愈合快,复发少;缩短甚至取消术后颌间固定,减轻病人痛苦和经济负担。但是本手术方法也还存在一些问题,主要是术野暴露困难,出血,骨坏死和愈合延迟,下齿槽神经损伤和术后仍有一定的复
Mandibular branch sagittal bone dissection has been available for more than 20 years, the surgical approach in the treatment of mandibular protrusion or retrusion, has been widely used. The main advantage is that by mouth surgery, there is no scar left on the face; the contact area between the bone sections is large, the healing is quick, and the recurrence is less; the postoperative intermaxillary fixation is shortened or even canceled, alleviating the patient's suffering and economic burden. However, there are still some problems in this surgical method, mainly because of the exposure of operative field, hemorrhage, osteonecrosis and delayed healing. There is still a certain degree of recovery after inferior alveolar nerve injury