根据北京医科大学口腔系统计,因患牙周病拔牙者占拔牙总数的40％,因此,大力开展牙周病防治措施和提高牙周病的疗效,是极为重要的。松牙固定术是牙周病综合治疗的一个重要环节。松牙固定的方法较多,根据李辉,strahan等和Howard对牙内固定或牙内不锈钢丝夹板固定术在临床中的应用,我们自1979年以来对41例晚期牙周病患者,采用牙内固定术,取得良好效果,现报导于下: 适应症: 1.患牙松动度一般在Ⅱ度以内,牙槽骨吸收根长的1/2以上的前牙或后牙。 2.有稳固的邻牙。 3.牙列整齐。 术前准备: 1.有牙髓或根尖周感染者应先完成髓 According to the Beijing Medical University oral system, due to periodontal disease extraction accounted for 40% of the total number of extractions, therefore, vigorously carry out prevention and treatment of periodontal disease and improve the efficacy of periodontal disease is extremely important. Alveolar fixation is an important part of comprehensive treatment of periodontal disease. According to the application of Li Hui, Strahan et al. And Howard in the clinical application of dental implants or stainless steel wire splints in 41 cases of patients with advanced periodontal disease, Internal fixation, and achieved good results, are reported in the next: Indications: 1. suffering from tooth mobility is generally within the second degree, the alveolar bone absorbs more than 1/2 of the root length of the anterior teeth or posterior teeth. 2 has a solid neighbor. 3. Tooth neatly. Preoperative preparation: 1. There are pulp or periapical infection should be completed before the pulp