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牙列中线偏移或不对称在正畸临床病例中比较常见，严重者明显影响颜面美观。本文介绍了几种矫治牙列中线偏移或不对称的方法，并对其矫治时机、矫治方法选择以及矫治时是否需拔牙问题进行了一系列探讨。
Dentition midline offset or asymmetry in orthodontic clinical cases are more common, severe cases significantly affect the appearance of beautiful. This article describes several methods of correction of skewness or asymmetry of the dentition midline and discusses a series of questions about the timing of orthodontic treatment, the choice of the method of correction and the need of tooth extraction during orthodontic treatment.