儿童安氏Ⅱ类第1分类错(牙合)畸形的矫治体会
JOURNAL OF JILIN UNIVERSITY(MEDICINE EDITION)（2003）
Abstract
1材料与方法①材料:本组24例,其中女性8例,男性16例,年龄9～13岁,平均11岁,均为安氏Ⅱ类第1分类错(牙合)畸形,临床表现为上前牙前倾,开唇露齿,覆盖5～8 mm,平均为6.5 mm,覆(牙合)均为Ⅱ°～Ⅲ°,X线投影测量上、下颌牙槽骨座夹角值均大于5.
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