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目的探讨TN托槽配合固定矫治器治疗恒前牙反的方法与疗效。方法选取2009—2012年河北联合大学口腔医学院正畸科的前牙反患者17例,行全口固定矫治器治疗,采用TN托槽过渡,配合Ⅲ类牵引,治疗前后记录面、牙相,每次复诊时记录咬合关系。结果所有患者的前牙反均顺利解除,建立了正常的覆覆盖,前牙反平均解除时间为3.2个月。结论前牙反患者经单纯固定矫治器治疗能获得良好的治疗效果,可用TN托槽作过渡辅助性装置,对患者配合程度要求不高。
Objective To discuss the method and effect of TN brackets combined with fixed orthotics for treatment of permanent anterior crossbite. Methods 17 cases of anterior crossbite patients in Department of Orthodontics, Union University of Stomatology, Hebei University from 2009 to 2012 were selected and treated with full mouth orthodontic appliance. TN brackets transition, The occlusion relationship was recorded at each visit. Results All the patients’ anterior crossbite were successfully removed, and the normal covering was established. The average lifting time of anterior crossbite was 3.2 months. Conclusion Anterior immobilization in patients with anterior tibial prostheses can be treated with a simple fixed appliance can get good therapeutic effect, TN brackets can be used as a transitional support device, the degree of cooperation with the patients less demanding.