铸造成型固定式双垫矫治青春期安氏Ⅱ类1分类错的疗效分析

易娟，李慧，叶翁三杰

Cephalometric analysis of casting fixed Twin-block appliance in the treatment of Class Ⅱ Division 1 malocclusion

YI Juan, LI hui, YE Weng-san-jie

口腔疾病防治 . 2016, (11): 656 -660 . DOI: 10.12016/j.issn.2096-1456.2016.11.007