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目的:研究传动直丝弓矫治器对青少年安氏Ⅱ类1分类错病例矫治的临床效果。方法:选取东莞市大朗医院2013年12月至2015年6月接受错牙矫正的青少年安氏Ⅱ类1分类错病例患者32例进行传动直丝弓矫治器治疗,并对其病例的治疗参数进行统计调查,分析其临床治疗效果。结果:经治疗后,青少安氏Ⅱ类1分类错病例患者中有男性13例,女性19例,年龄平均(14.6±2.5)岁,所有患者均采取拔去4颗第1前磨牙,经治疗矫正后,所有患者均取得了较好的矫正,平均治疗时间为(16.5±3.2)个月。U1-NA角度得到了有效改善,平均减少角度(21.1±0.2)°,U1-L1角度则有所增加,其中SNA角度也有效缩减,经影像观察,也均得到了有效调整,其上颌牙得到了有效内收,前牙覆盖和覆关系基本恢复至正常范围内。结论:在临床对安氏Ⅱ类1分类错病的矫正治疗中,应用传动直丝弓矫治器进行治疗矫正,能够更快速高效的将牙齿进行矫正,且表现效果较好,在临床矫正安氏Ⅱ类1分类错症状中。
Objective: To study the clinical effect of transmission straight wire appliance on the treatment of Class Ⅱ division 1 malocclusion in adolescents. Methods: Thirty-two cases of Class Ⅱ division 1 malocclusion admitted to Dalang Hospital in Dongguan from December 2013 to June 2015 were enrolled in this study. The treatment parameters were investigated and the clinical effect was analyzed. Results: After treatment, there were 13 males and 19 females with a mean age of (14.6 ± 2.5) years. All patients were taken with 4 first premolar teeth, After treatment, all patients achieved good correction, the average treatment time was (16.5 ± 3.2) months. U1-NA angle was effectively improved, the average reduction angle (21.1 ± 0.2) °, U1-L1 angle is increased, the SNA angle is also effectively reduced, the image observed, have also been effectively adjusted, the maxillary teeth obtained Effective adduction, anterior tooth cover and cover the basic return to the normal range. Conclusion: In the clinical treatment of Class Ⅱ Division 1 malformations, the treatment of orthodontic appliances with straight wire appliance can be used to correct the dental malformations more quickly and efficiently. The clinical effect is good. Class Ⅱ Division 1 symptoms of misdiagnosis.