改良式肌激动器治疗替牙期安氏Ⅱ类错的研究  

Clinical study of improved Activator on the treatment of Angle class Ⅱ malocclusion in mixed dentition

作　　者：韩敏[1] 王春玲[1] 高晓丽[1] 曲竹丽[1] 呼明燕[1] 刘铃[1] 王海任[1] 

机构地区：[1]山东大学口腔医院正畸科山东省口腔生物医学重点实验室,济南250012

出　　处：《口腔医学》2011年第6期336-338,共3页Stomatology

基　　金：山东省科技攻关项目(2010GSF10269)

摘　　要：目的观察替牙期安氏Ⅱ类错畸形患者戴用改良式肌激动器后的临床效果。方法选择符合纳入标准的6名替牙期安氏Ⅱ类错患者为研究对象,运用改良式肌激动器进行矫治,对患者治疗前后的X线头颅侧位片进行测量、分析和比较。结果治疗后,患者ANB角均达到正常范围,前牙覆、覆盖正常,磨牙和尖牙达中性关系;患者戴用肌激动器的时间为平均每天10 h;总疗程平均为(5.3±1.4)个月。结论改良式肌激动器能够矫治安氏Ⅱ类1分类、2分类错畸形。Objective To evaluate the treatment effects of improved activator on patients with Angle Class Ⅱ malocclusion in mixed dentition.Methods According to criteria of the study,six patients with Angle Class Ⅱ malocclusion in mixed dentition were selected and treated with improved Activator.Cephalometric analysis was performed before and after treatment.Results 1）Angle ANB was improved;2）After treatment,overjet and molar relationship was improved;3）Ten wearing hours was needed for treatment everyday;4）The treatment duration was（5.3±1.4） months.Conclusions Improved Activator could be used for both Angle Class ⅡDivision 1 malocclusion and Division 2 malocclusion.

关 键 词：安氏Ⅱ类错 改良式肌激动器 替牙期 

分 类 号：R783.5[医药卫生—口腔医学]