青春生长减速期安氏ⅡⅠ类错(牙合)患者治疗前后颏唇部的变化
청춘생장감속기안씨ⅡⅠ류착(아합)환자치료전후해진부적변화
Soft and Hard Chin Tissue Changes in Patients after Adolescent Growth Spurt before and after Treatment for ClassⅡDivisionⅠ
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