改良固定反式TBA联合前牵矫治前牙反  

Modified fixed reverse Twin-block combined with maxillary protraction appliance in the treatment of AngleⅢ skeletal anterior crossbite

作　　者：刘红[1] 段银钟[1] 陈巧玲[1] 毕惠贤[1] 杨振华[1] 王海雪[1] 

机构地区：[1]第四军医大学口腔医学院正畸科

出　　处：《实用口腔医学杂志》2005年第3期378-381,共4页Journal of Practical Stomatology

摘　　要：目的：评价改良固定反式双阻板矫治器(Twin-block appliance，TBA)联合前牵治疗AngleⅢ类骨性前牙反he的临床效果。方法：应用TBA联合前牵矫治骨性前牙反he15例，对治疗前后临床表现及X线硬组织测量进行分析，并与前牵组进行比较。结果：经过3～5个月的治疗，患者侧貌外型明显改善，反覆盖反覆he纠正。结论：反式TBA联合前牵引是矫治前牙反he的理想装置，对上下颌骨作用均较大。Objective: To evaluate the effects of the modified fixed r everse Twin-block appliance(TBA) combined with maxillary protraction appliance( MPA) in the treatment of early Angle Ⅲ skeletal anterior crossbite. Met hods:TBA combined with MPA was used in 15 growing subjects with early An gle Ⅲskeletal malocclusion (group TBA-MPA). Another 15 subjects with the same type of malocclusion were treated by MPA(group MPA). The effects of treatment we re studied by cephalometric measurments.Results:3-5 months afte r treatment SNB, B-Vert T, Po-Vert T,NPo-FH,Co-Po and 1-NB in group 1 were decreased more than those in group 2 (P<0.05 or P<0.01),Pr -Vert T,Go-Vert T and Go-Go increased more (P<0.01 or P<0.05), Ar-Go -Me and CondAX-Vert T in group 1 were decreased, in group 2 were increaesd ( P<0.05).The changes of other measurments between the 2 groups were not signifi cantly different (P>0.05).Conclusion:Angle Ⅲ skeletal ante rior crossbite can be corrected successfully with reverse TBA combined with maxi llary protraction appliance by mandible retrusion and maxilla forward growth.

关 键 词：改良固定反式TBA联合前牵引 AngleⅢ类错he 骨性前牙反HE 

分 类 号：R783[医药卫生—口腔医学]