摘要
目的:观察OPA-K滑动直丝弓矫治器对双牙弓前突病例的矫治效果。方法:15例双牙弓前突病例,均拔除4个第一前磨牙,应用OPA-K滑动直丝弓矫治器矫治,治疗前后拍摄头颅定位侧位片,对颌面部软硬组织的变化进行分析。结果:UI-NA角减小13.43°,UI-NA距减小5.22mm,LI-NB角减小8.95°,LI-NB距减小4.91mm。UI-LI增加20.47°,鼻唇角平均增加12.73°。治疗前后比较均有统计学意义(P<0.05)。患者正侧位容貌均得到明显改善。结论:双牙弓前突病例应用OPA-K滑动直丝弓矫治器疗效满意。
Objective: To observe the effect of Oriental Preadjusted Appliance-KOSAKA on bimaxillary alarch protrusion.Method: Fifteen bimaxillaty protrusion cases were chosen.All case were treated with Oriental Preadjusted Appliance-KOSAKA. Cephalometrics before and after treatment were performed.Result:The distance of upper incisor to NA reduced 5.22 mm.The distance of low inciser to NB reduced 4.91 mm.The angle of upper and low incisor increased 20.47°. The angle of nose and upper lip increased 12.73° .Conclusion:Oriental Preadjusted Appliance-KOSAKA is effective for bimaxillary protrusion.
出处
《临床口腔医学杂志》
2006年第10期624-625,共2页
Journal of Clinical Stomatology