论文部分内容阅读
目的 :探讨直丝弓矫治技术结合使用J钩治疗安氏Ⅱ1 错牙合的临床效果。方法 :应用直丝弓矫治器治疗安氏Ⅱ1 错牙合患者 9例 ,结合使用J钩头帽口外牵引向后滑动弓丝关闭拔牙间隙 ,并适当应用于拉尖牙向远中的阶段。结果 :9例患者均取得满意疗效 ,后牙建立中性关系 ,前牙覆牙合覆盖正常 ,面型明显改善。结论 :J钩配合滑动直丝弓技术矫治安氏Ⅱ1 错牙合是一种行之有效的方法 ,可以很好地控制后牙支抗并控根压低内收上前牙 ,改善面型
Objective: To investigate the clinical effect of straight wire arch correction combined with J hook in the treatment of Angle Ⅱ 1 malocclusion. Methods: Nine cases of Angle Ⅱ1 malocclusion were treated with straight wire appliance. The combined use of J hook head and cap to pull the archwire to close the extraction space and applied to the cantilevered teeth. Results: All 9 patients achieved satisfactory curative effect. The posterior teeth had a neutral relationship, the anterior teeth covered the normal coverage and the facial appearance improved obviously. Conclusion: The J hook combined with sliding straight wire arch technique in the treatment of Angle Ⅱ 1 malocclusion is an effective way to control the posterior teeth support and control the root pressure, lower anterior teeth adduction, improve the surface