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目的研究用固定斜面导板打开咬合矫治安氏Ⅱ类1分类的临床效果。方法选择2008年3月-2011年3月我院接诊的80例安氏Ⅱ类1分类患者进行研究。采用固定斜面导板打开咬合对患者进行矫治。比较患者矫正前后X线头影测量的各项数据,并加以统计分析。结果经过3-6个月治疗,患者的ANB显著减小,下颌体长度显著增长,面型得到改善,磨牙恢复到中性的关系状态,相互咬合良好,表征患者病情状况的各项指标有显著改善(P<0.05)。结论用固定斜面导板打开咬合矫治安氏Ⅱ类1分类的临床效果良好,通过刺激下颌骨生长,调整面型,值得临床推广应用。
Objective To study the clinical effect of open beveling treatment of Class Ⅱ division 1 with fixed bevel guide plate. Methods From March 2008 to March 2011, 80 cases of Class Ⅱ Division 1 patients admitted to our hospital were studied. The use of fixed bevel guide open bite orthodontic treatment of patients. Before and after correction of patients with X-cephalometry measurements of the data, and to be statistically analyzed. Results After 3-6 months of treatment, the patients ’ANB decreased significantly, the length of mandibular body increased significantly, the facial shape improved, the molars returned to the neutral status, and the bite of each other was good. The indexes of the patients’ condition were significant Improve (P <0.05). Conclusion The clinical effect of open beveling treatment of Class Ⅱ division 1 with fixed bevel guide is good. The growth of mandible and the adjustment of facial shape are worthy of clinical application.