正畸矫治第二磨牙正锁  

Orthodontic treatment for the second molar crossbite

作　　者：段银钟[1] 潘杰[1] 韩春[1] 顾泽旭[1] 

机构地区：[1]第四军医大学口腔医学院,西安710032

出　　处：《实用口腔医学杂志》2010年第1期123-126,共4页Journal of Practical Stomatology

基　　金：西安市社会发展引导计划基金资助(编号:SF08008)

摘　　要：上颌第二磨牙正锁时常发生,正畸临床矫治有一定的难度。依据错的不同情况,作者提出4种临床矫治方法:一是上下颌牙齿交互牵引;二是利用上下颌的正畸弓丝移动上下牙齿向颊、舌方向;三是拔除锁牙,让第三磨牙自动近移替代第二磨牙;四是利用种植钉作支抗,用皮链牵引其达到正常牙位;评估了4种矫治方法的优、缺点。在讨论中叙述了矫治的临床应用、如何选择矫治方法以及在矫治过程中的注意事项。Crossbite of upper and lower second molars is a common malocclusion.It is difficult to treat such cases.4 kinds of treatments according to different situations are recommended.One is a mutual elastics on the upper and lower teeth.The second method is to move upper and lower teeth by archwire lingually and bucally.The third is to extract the second molars,while the third molars drift automatically.The fourth is using mini-implant as an anchorage to move the teeth to correct position.This article evaluated the advantages and disadvantages of the 4 kinds of methods.We also discussed how to choose the appliances as well as what we should pay attention to treat this malocclusion.

关 键 词：第二磨牙 锁 交互牵引 

分 类 号：R783.5[医药卫生—口腔医学] R816.98[医药卫生—临床医学]