摘要
目的通过对拔除磨牙矫治安氏Ⅱ类错畸形患者的回顾性分析,探讨安氏Ⅱ类错畸形患者拔除磨牙的适应证,以期为临床选择方法提供指导。方法选择12例患者,根据情况分别拔除上颌第二或第一磨牙以及下颌第三磨牙,均采用MBT技术矫治。比较治疗前后头影测量结果的差异。结果在10项测量指标中,有4项差异具有统计学意义,这种差异集中反映了2种治疗方法在牙性变化和骨性变化中的不同。结论拔除磨牙可以成功矫治安氏Ⅱ类错畸形的患者。
Objective To provide a guide on the clinic treatment plan of Angle class Ⅱ malocclusion by analysis the indication of extracting molars.Methods 12 patients were treated by MBT technique after their first or second molar＇s extraction in maxilla and the third molar＇s extraction in mandible.Compared the difference of the cephalometric analysis before and after treatment.Results 4 indexes were significant difference within all of the 10 subjects.These differences showed that the disparity between 2 methods both in teeth and bone.Conclusion Angle class Ⅱ malocclusion can be managed successfully in virtue of molar＇s extraction.
出处
《国际口腔医学杂志》
CAS
2010年第2期141-145,共5页
International Journal of Stomatology
关键词
拔牙
磨牙
安氏Ⅱ类错畸形
extraction
molar
Angle class Ⅱ malocclusion
