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正颌手术通过打破原有的颌骨系统,重建咬合平衡来达到改善面型和咀嚼功能的目的。随着现代医学的发展和人们观念的进步,正颌外科被越来越多的患者所接受,其疗效和安全性也得到了学术界的肯定,但是也有少部分术后恢复不佳甚至治疗失败的病例存在。颌面部解剖结构复杂,影响预后的因素较多,尤其正颌术后颌面部软组织的变化难以动态观察,至今其变化过程及机制尚不明确。本文就近年来正颌术后咀嚼肌改变的研究进展作一综述。
Orthognathic surgery by breaking the original jaw system, rebuild the bite balance to achieve the purpose of improving the shape and chewing function. With the development of modern medicine and the improvement of people’s concept, orthognathic surgery is accepted by more and more patients. The efficacy and safety of orthognathic surgery have also been affirmed by the academic circles, but there are also a few cases of poor postoperative recovery or even failure of treatment The case exists. Maxillofacial anatomy complex, affecting the prognosis of many factors, especially after maxillofacial soft tissue changes in the dynamic observation is difficult, so far the process and mechanism of its change is not yet clear. This article reviews the research progress of the changes of masticatory muscles after orthognathic surgery in recent years.