口腔科门诊工作中,常遇到男女青年,要求拔除排列不整齐、咬合不良和外形欠美观的上颌前牙。这时我们不忍心拔掉而是以正畸法矫治不正牙。据国外资料,介绍应用截骨正牙术治疗牙颌畸形的方法,经我们在临床试行结果,取得比拔牙、托牙修复更为满意的疗效。一、术前准备1.X线照片:主要了解手术牙之牙周、根尖情况和手术牙与邻牙牙根距离。2.取研究模型:术前在模型上确定截骨的范围和手术牙移动的距离。二、手术方法病者取上颌牙弓与地平45°,口腔颌面常规消毒,(?)巾。以2%奴夫卡因肾上腺素溶液4ml作局部浸润麻醉及腭侧切牙孔阻滞麻醉。唇侧:在手术牙的近中和远中龈乳头上方0.5～1 cm,各做1个长约2～3 cm的直切口,深达骨面,不剥离手术牙根表面的粘骨膜,用薄骨凿(厚约0.1 cm)纵形凿开近,远中的齿槽突,再把距牙根尖 Stomatology clinic work, often encounter young men and women, requiring the removal of irregular arrangement, bad occlusion and appearance of the maxillary anterior teeth. At this moment we do not have the heart to unplug and orthodontically orthodontically treat orthodontics. According to foreign data, introduce the application of osteotomy orthodontics treatment of dento-mandibular deformity method, we obtained in the clinical trial results, more than the extraction of teeth, orthodontic treatment more satisfactory results. First, preoperative preparation 1.X line photo: The main understanding of the periodontal surgery, the apex and surgical teeth and adjacent teeth root distance. 2. Take the study model: preoperative model to determine the scope of osteotomy and surgical teeth moving distance. Second, the surgical approach to take the maxillary arch and the ground 45 °, oral and maxillofacial conventional disinfection, (?) Towel. 2% Nuvocaine epinephrine solution 4ml for local infiltration anesthesia and palatal incision anesthesia. Lip side: in the surgical near and far in the middle of the papilla 0.5 ~ 1 cm, each made a straight about 2 ~ 3 cm incision, deep bone surface, do not peel the surface of the mucoperiosteal surgery, thin Osteotomy (thickness of about 0.1 cm) longitudinal chisel near and far of the alveolar process, and then from the root tip