Changes of upper airway in ClassⅡchildren with high mandibular plane angle before and after functional treatment by high headgear-activator

XIA Song, DAI Hong-wei, ZHANG Yi, WANG Chao, QIU Liang-xing, WANG Hua-qiao.

Shanghai Journal of Stomatology . 2018, (3): 270 -274 . DOI: 10.19439/j.sjos.2018.03.011