Methods:The clinical data in 301 orthodon-tic patients were analysed retrospectively.

方法：对已结束口腔正畸的301例患者进行回顾性分析。

youdao

Methods:The clinical data in 301 orthodon-tic patients were analysed retrospectively.

方法：对已结束口腔正畸的301例患者进行回顾性分析。

youdao