滑动直丝弓矫治技术在术前术后正畸中的应用

目的　对利用滑动直丝弓矫治器进行术前术后正畸治疗的牙颌面畸形病例进行疗效分析 ,供临床工作参考。方法　牙颌面畸形患者 5 1例 ,男 16例 ,女 35例 ,年龄最大者 34岁 4个月 ,最小15岁 ,平均 18岁 9个月。所有患者均来自北京大学口腔医学院正畸与正颌外科联合门诊 ,均进行系统的术前术后正畸治疗和正颌外科手术。结果　患者中拔牙病例 18例 ,非拔牙病例 33例。平均术前正畸时间 13 3个月 ,术后正畸时间 10 4个月。全部疗程时间为 2 5 5个月。结论　直丝弓矫治器预制了牙齿冠舌腭向与近远中倾斜度 ,在术前术后正畸时利用平直方弓丝即可达到对牙齿在三维方向的有效控制 ,因而取得良好的矫治效果

Application of straight wire appliance for pre- and post-surgical orthodontics

Objective To analyze the surgical patients treated with straight wire appliance for guidelines of clinical using of the appliance Methods Totally 51 patients from Joint Clinic of Orthodontic Surgery,Peking University School of Stomatology with dentofacial deformities treated with straight wire appliance were analyzed The patients were aged from 15 years to 34 years 5months, average 18years 9 months Among whom, 16 are males, while the other 35 are females Results Eighteen patients were treated with extraction of teeth, while other 33 cases were nonextraction case The duration of average presurgical orthodontic treatment was 13 3 months, and 10 4 months was for postsurgical orthodontic treatment, totally active treatment time was 25 5 months Conclusions Straight wire appliance would benefit a lot for three dimensional control of teeth when doing pre- and post-surgical orthodontic treatment Good results could be achieved without wire bending