结论所采用的4种矫治后牙锁的方法可以很好的控制后牙的垂直向高度，有效解除锁。

Conclusion All the four methods used in this study to treat posterior teeth crossbite were effective and could control the height of the posterior teeth.

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控制取向是基于宽度和高度之间的比例，如果宽度大于高度，水平垂直。

The control orientation is based on the ratio between width and height, if width is larger than height, then horizontal else vertical.

youdao

控制取向是基于宽度和高度之间的比例，如果宽度大于高度，水平垂直。

The control orientation is based on the ratio between width and height, if width is larger than height, then horizontal else vertical.

youdao