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应用Mc Namara分析法评价PASS直丝弓矫治器对Angle Ⅱ类1分类错(牙合)的矫治效果

Chinese Journal of Coal Industry Medicine(2015)

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Abstract
目的 应用Mc Namara分析法对PASS直丝弓矫治器矫治AngleⅡ类1分类错(牙合)畸形矫治前后的X线头影测量片进行测量分析,评价其治疗效果.方法 选择AngleⅡ类1分类错(牙合)畸形患者20例,且均拔除4个第一双尖牙,应用PASS直丝弓矫治器进行矫治.对矫治前后的X线头颅侧位片进行McNamara分析,得到7项相关指标.应用SPSS17.0进行统计学分析.结果 上切牙突距,下切牙突距,下前面高,鼻唇角,上唇倾角均发生明显改变,并且有统计学意义.结论 应用PASS直丝弓矫治器对An-gleⅡ类1分类错(牙合)矫治能得到很好的矫治效果.
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Key words
PASS straight wire appliance,McNamara analysis,X-ray cephalometrics,Angle class Ⅱ Division 1 malocclusion,Soft tissue profile
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