摘要
〕目的：分析生长发育期Ⅱ类错牙合患者，戴用Ａｃｔｉｖａｔｏｒ结合Ｈｅａｄｇｅａｒ矫治器治疗后牙、颌骨的变化。方法：１２例患者，男４例，女８例，年龄男１０岁～１３岁，女９岁～１２岁，骨性Ⅱ类关系，戴用Ａｃｔｉｖａｔｏｒ结合Ｈｅａｄｇｅａｒ８月～１０个月，每天不少于１４ｈ，采用ＰａｎｃｈｅｒｚⅡ类错牙合矫正分析法及传统项目测量共２８项，数据在ＳＡＳ统计分析软件中进行治疗前后的配对ｔ检验。结果：ＡＮＢ角减小２．３７°、Ｇｏ－Ｍｅ增加４．３７ｍｍ，Ｐ＜０．０１，上切牙唇倾度减小，覆盖、磨牙位置、切牙相对位置的改变均有显著性差异，Ｐ＜０．０１，腭平面角、牙合平面角、下颌平面角、下切牙长轴均未发生显著性改变。结论：上下颌骨的矢状关系得到了协调，下切牙长轴过度唇倾得到控制。
Objective: To evaluate the effects of activator headgear combination(AHGC) appliances on the dentognathic system of growing patients with class Ⅱ division I malocclusion. Method: Twelve patients (male 4, femal 8) aged 10～13 years old were treated with the AHGC appliance for 8～10 month and for more than 14h each day. Cephalograms were taken before and after treatment. Pancherz Class Ⅱ Correction analysis and 28 items of dental and skeletal measnrements were used to analyse the cephalometric changes. Results: ANB angle was reduced by 2.37°( P <0.01). Go Me was increased by 4.37mm( P <0.01). The inclination of upper incisor, overbite and overjet were reduced significatntly( P <0.01). Platal plane, Occlussal plane, mandibular plane and the axial inclination of the lowere incisors remained unchanged after treatment. Conclusion: ANB angle can be reduced and the axial inclination of the lower incisors can be controlled by the application of activator headgear combination(AHGC) appliances in children with class Ⅱ divission 1 malocclusion.
出处
《实用口腔医学杂志》
CAS
CSCD
北大核心
1998年第1期32-34,共3页
Journal of Practical Stomatology
基金
陕西省科委自然科学基金
陕西省卫生厅立项项目
关键词
错HE
功能性矫治器
X线测量
Orthodontics
Activator eadgear combination
Dental radiography
