CAJ | 학술논문

上颌第二磨牙正锁(牙合)时常发生,正畸临床矫治有一定的难度.依据错(牙合)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(牙合)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.
상합제이마아정쇄(아합)시상발생,정기림상교치유일정적난도.의거착(아합)적불동정황,작자제출4충림상교치방법:일시상하합아치교호견인;이시이용상하합적정기궁사이동상하아치향협、설방향;삼시발제쇄(아합)아,양제삼마아자동근이체대제이마아;사시이용충식정작지항,용피련견인기체도정상아위;평고료4 충교치방법적우、결점.재토론중서술료교치적림상응용、여하선택교치방법이급재교치과정중적주의사항.
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.