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骨性Ⅱ类错2种不同矫治技术的PAR指数比较 被引量:6

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摘要 目的应用PAR指数评价传动直丝弓矫治技术与MBT滑动直丝弓矫治技术在骨性Ⅱ类错拔牙患者的矫治效果。方法 30例安氏Ⅱ类Ⅰ分类错患者,分别使用传动直丝弓技术矫治15例(A组)、MBT滑动直丝弓矫治15例(B组),于治疗前、后对模型进行PAR指数测定,并进行统计分析。结果 A组治疗前、后加权PAR总分值减少率(92.26±3.15)%,B组为(93.78±2.58)%,2组间差异无统计学意义(P>0.05);A组矫治疗程为(20.6±2.8)个月,B组为(22.3±3.1)个月,差异有统计学意义(P<0.05)。结论应用传动直丝弓技术矫治或MBT滑动直丝弓矫治技术均可使安氏Ⅱ类Ⅰ分类错得到较大改善。
作者 陈雅 袁方
出处 《中华实用诊断与治疗杂志》 2012年第11期1126-1127,共2页 Journal of Chinese Practical Diagnosis and Therapy
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