头帽肌激动器联合MBT矫治骨性Ⅱ类错(牙合)的临床研究
두모기격동기연합MBT교치골성Ⅱ류착(아합)적림상연구
Two-stage correction of class Ⅱ skeletal malocclusions with Activator-Head gear appliance and MBT appliance
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