Pancherz分析法评价头帽型肌激动器矫治骨性Ⅱ类错的疗效

张军梅陈虹羽张丽

Pancher z′s analysis in evaluating the tr eatment effects of headgear - activator on skeletal Class Ⅱ divison 1 malocclusion

ZHANG Jun -mei, CHEN Hong- yu, ZHANG Li

华西口腔医学杂志 . 2007, (06): 557 -560 .