Application of Twin Block appliance and Invisalign appliance as two-phase treatment for Angle class Ⅱ divison 1 malocclusion: Acase report and literature review

CAO Yang, ZHU Xianchun, ZHUANG Jinliang, CHEN Yuanping

Journal of Jilin University(Medicine Edition) . 2019, (06): 1440 -1444 . DOI: 10.13481/j.1671-587x.20190642