【摘要】 目的 :观察 Twin block矫治器矫治恒牙初期安氏 类错牙合的效果。方法 :在临床随机选择 2 0名安氏 类错牙合用 Twin block矫治器进行矫治 ,以 X线头影测量分析法评价疗效。结果 :Twin block矫治器可促进下颌生长 ;同时引起上切牙舌倾 ,下切牙唇倾。结论 :Twin block矫治器可产生明显的生长改良效果。更多还原

【Abstract】 砄bjective:To evaluate the effect of of twin block appliance in the early treatment of class Ⅱ malocclusion.Methods:20 cases with class Ⅱ malocclusion were treated with Twin block appliance. Cephalometric analysis was used to evaluate the effects.Results:The twin block appliance could stimulate the growth of mandible and lead to retrocline of the upper incisors and procline of the lower incisors.Conclusion:The twin block appliance can achieve remarkable effects of growth modification of dentognathic system.更多还原