双垫功能矫治器及直丝弓固定矫治器联合治疗安氏Ⅱ类1分类错畸形的效果研究  

Clinical effects of Twin block and straight wire appliances in the treatment of Angel's class Ⅱ malocclusion

作　　者：赵红[1] 杨智桥[1] 

机构地区：[1]新疆克拉玛依市中心医院口腔科,新疆克拉玛依834000

出　　处：《中国美容医学》2013年第14期1530-1533,共4页Chinese Journal of Aesthetic Medicine

摘　　要：目的:双垫矫治器(Twin block矫治器)及直丝弓固定正畸联合矫治安氏Ⅱ类1分类错畸形的效果。方法:选择11例(男5例,女6例)10～13岁以下颌后缩为主的安氏Ⅱ类错畸形患者应用Twinblock及直丝弓固定正畸联合矫治。每位患者治疗前拍摄头颅侧位片、曲面断层X线片。对Twin block及直丝弓固定正畸联合矫治前后头颅侧位X线片进行测量。结果:SNA、ANB、OJ、UI\SN减小,SNB、LI\MP、Sn-A'-UL、LL-B'-Pos增大,下颌升支、下颌体长及下颌综合长度均有增长,差异均有显著性。结论:Twinblock矫治器治疗恒牙早期安氏Ⅱ类1分类错畸形,能明显减小前牙覆、覆盖,增加上颌弓宽度,促进下颌生长,有效改善患者下颌后缩的面型。联合固定正畸可达到良好的治疗效果。Objective To investigate the treatment combined with twinblock and straight wire appliances in angel＇s class II division 1 patiants. Methods Eleven angle＇s class II patiants aged 10-13.There were 5 boys and 6 girls.lateral cephalograph,panoramic and left hand radiographs were taken for each patient before treatment.Measurement of cephalometrics before and after the treament of twinblock and straight wire appliances were carried out. Results The SNA,ANB,OJ,UI／SN decreased,the SNB,LI／MP,Sn-A＂-UL, LL-B＂-Pos increased,the mandibular ramus height,body length and mandibular length increased after the treament.And the changes were significant. Conclusion After the treatment with twinblock and straight wire appliances in angel＇s class II division 1,the overjet,overbite improved,the maxillary arch breadth increased,the mandibular arch was stimulated to growth and profile of patiants improved significantly.The effect of treatment combined with twinblock and straight wire applianced was efficient.

关 键 词：安氏Ⅱ类1分类错[牙合] TWIN BLOCK 正畸治疗 

分 类 号：R783.5[医药卫生—口腔医学]