TY - GEN AU - Zeng,Jin-Ling AU - Xu,Tian-Min AU - Lin,Jiu-Xiang TI - [The differences of hard tissue changes and stability of Angle's Class II division 1 extraction cases treated by Begg appliance and Edgewise appliance] SN - 1000-1182 PY - 2015///0606 KW - Bicuspid KW - Cephalometry KW - Humans KW - Incisor KW - Male KW - Malocclusion KW - Malocclusion, Angle Class I KW - Malocclusion, Angle Class II KW - Molar KW - Tooth KW - Tooth Movement Techniques N1 - Publication Type: Journal Article ER -