目的：探讨早期牙矫治对恒牙列萌出及咬合稳定的关系。

Objective: To investigate the relationship of early treatment and the permanent dentition occlusal.

youdao

目的：探讨早期牙矫治对恒牙列萌出及咬合稳定的关系。

Objective: To investigate the relationship of early treatment and the permanent dentition occlusal.

youdao