摘要
目的观察Twinblock矫治器矫治生长期安氏Ⅱ类错颌的效果。方法选择15名生长期安氏Ⅱ类错颌患者用Twinblock加方丝弓矫治器进行双期矫治。以X线头影测量分析法评价疗效。结果Twinblock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Twinblock双期矫治用于生长期Ⅱ类患者可取得明显的骨骼及侧貌改变。
OBJECTIVE To investigate the effect of Twinblock appliance in growth stage of class Ⅱmalocclusion.METHODS 15 cases with class Ⅱmalocclusion were treated with twinblock appliance.cephalometric analysis was used to evaluate the effects.RESULTS The Twinblock appliance could stimulate the growth of mandible and lead to retrocline of the upper incisors and procline of the lower incisors.CONCLUSION The Twinblock appliance with two phase treatment can achieve obvious skeletal and profile changes.
出处
《中国初级卫生保健》
2004年第9期80-81,共2页
Chinese Primary Health Care
关键词
生长期
双期矫治
安氏Ⅱ类错颌
growth stage,two phase treatment,angle class Ⅱmalocclusion growth stage
