Smart Clip自锁托槽在非拔牙矫治安氏Ⅰ类错牙合中的临床价值分析

To explore the clinical value of Smart Clip self-ligating bracket in patients with Angle Class Ⅰ malocclusion by the non-extraction orthodontic treatment

目的：探讨Smart Clip自锁托槽对轻中度拥挤安氏Ⅰ类错牙合畸形患者进行非拔牙矫治的临床应用价值。方法：选择2012年3月-2014年1月收治的轻中度拥挤安氏Ⅰ类错牙合患者86例,根据所采用矫治技术的不同,分为自锁组（采用Smart Clip自锁托槽矫治器治疗,共40例）和非自锁组（采用MBT直丝弓托槽矫治器治疗,共46例）,并对两组间的治疗效果作对比分析。结果：两组患者经矫治后的第一前磨牙间距、第一磨牙间距、UI-NA距以及UI-SN角均较治疗前增大,自锁组患者治疗前后的变化差值均明显大于非自锁组,差异显著（P〈0.05）;自锁组总矫治时间以及椅旁操作时间均较非自锁组明显缩短,差异显著（P〈0.05）;自锁组矫治后的Zung氏抑郁-焦虑自评量表分值均较非自锁组明显下降,差异显著（P〈0.05）。结论：Smart Clip自锁托槽矫治器对轻、中度拥挤的安氏Ⅰ类错牙合患者的矫正治疗效果优于非自锁组MBT直丝弓托槽矫治器,有助于提高牙科医生的工作效率。

Objective：To explore the clinical value of smart Clip self-ligating bracket in patients with mild / moderate crowding angle class Ⅰ malocclusion by the non-extraction orthodontic treatment. Method：Selected 86 cases with mild /moderate crowding angle class Ⅰ malocclusion in my hospital oral section for orthodontic treatment during march 2012 to January 2014, according to different treatment, were divided into self-ligating group（used smart Clip self-ligating bracket,40 cases） and traditional group（used MBT straight-wire bracket, 46 cases）, and compared the correct effect between two groups. Result：First premolares space, first molares space, UI-NA space and UI-SN angle increased in two groups after treatment,and the change value before and after treatment in self-ligating group were obviously greater than those in traditional group（P〈0.05）; total correction time and chair operation time in self-ligating group were obviously shortened, compared traditional group（P〈0.05）;the score of Zung＇s depression-anxiety assessment in self-ligating group were obviously declined, compared traditional group（P〈0.05）. Conclusion：The correct effect of smart Clip self-ligating bracket is superior to traditional MBT straight-wire bracket in patients with mild / moderate crowding angle classⅠmalocclusion, helps to improve the dentist efficiency, and it is worth spreading.