颞颌关节真性强直的手术治疗在口腔颌面外科领域里仍属不断探讨与改进的范畴。我科在近几年中，应用新引进的口腔颌面外种微型电锯来进行下颌升支后缘纵截倒置术，在截除足够骨间隙、保持倒置骨宽度均等、避免损伤下齿槽血管神经束及周围软组织等方面均取得了满意的结果。本文 Tooth and temporomandibular joint surgery of true rigidity in the field of oral and maxillofacial surgery is still continuing to explore and improve the area. Our department in recent years, the application of the newly introduced oral and maxillofacial micro-type electric saw for mandibular ligation of the trailing edge of the vertical inversion in the removal of enough bone space, keep the inverted bone width equal to avoid damage to the lower alveolar Vascular nerve bundles and surrounding soft tissue have achieved satisfactory results. This article