上颌第二恒磨牙不同萌出状态的安氏Ⅱ1类患者应用口外弓治疗前后的头影测量研究

郐滨朱静涛李志媛刘奕

Cephalometric research of patients in different maxillary second molar eruption statuses using face bows

. 2013, (7): 465 -468 .