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目的评价Van-BeekActivator矫治安氏Ⅱ类Ⅰ分类错牙合的治疗效果。方法7例替牙期或恒牙早期安氏Ⅱ类Ⅰ分类错牙合患者,用Van-BeekActivator矫治器进行矫治,对治疗前后的头颅定位片进行测量,并作统计学分析。结果各项指标测量值,治疗后均得到显著好转,外观容貌得到改善。结论Van-BeekActivator矫治器对抑制上颌骨的发育,促进下颌骨向前、向上旋转有较好的疗效。
Objective To evaluate the therapeutic effect of Van-BeekActivator on Class Ⅱ division Ⅰ malocclusion. Methods Seven cases of Angle Ⅱ class Ⅰ malocclusion patients with early molars or permanent teeth were treated with Van BeekActivator appliance. The skull positioning films before and after treatment were measured and analyzed statistically. Results The measured values of each index were significantly improved after treatment, appearance and appearance improved. Conclusion Van-BeekActivator appliance can inhibit the development of the maxilla and promote the forward and upward rotation of the mandible.