垂直生长型安氏Ⅱ类1分类拔牙病例矫治前后硬组织的改变
수직생장형안씨Ⅱ류1분류발아병례교치전후경조직적개변
Hard tissue outcomes of Class Ⅱ division 1 malocclusion with vertical growth pattern before and after treatment
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