直丝弓矫治技术矫正前牙反颌40例的临床分析

Clinical analysis of straight arch wire technique in the reclamation of 40 cases of anterior crossbite

目的:探讨直丝弓矫治技术矫正治疗前牙反颌的临床效果。方法:2010年8月-2014年1月收治前牙反颌患者40例,均采用直丝弓矫治技术进行矫正。结果:所有患者经过矫正,其中上颌中切牙角、下颌中切牙角、ANB、SNB、SNA角明显改善,与治疗前比较差异有统计学意义(P<0.05),而NP-FH、MP-FH、Co-PO(mm)、ANS-Ptm(mm)、Y轴角治疗前后比较差异无统计学意义(P>0.05)。结论:直丝弓矫治技术矫正前牙反颌效果显著,值得推广。

Objective:To explore the clinical effect of straight arch wire technique in the reclamation of anterior crossbite.Methods: 40 cases with anterior crossbite were selected from August 2010 to January 2014.They all were rectified by straight arch wire technique.Results:All cases were rectified.The maxillary central incisor angle,mandibular central incisor angle,ANB angle,SNB angle,SNA were improved significantly.Compared with those of before treatment,the difference was statistically significant(P< 0.05).While NP-FH,MP-FH,Co-PO(mm),ANS-Ptm(mm) and Y axis angle were no statistical significance(P>0.05).Conclusion: The straight arch wire technique in the reclamation of anterior crossbite has significant effect.It is worthy of promotion.