目的：评价牙得安牌复方中草药牙粉对正畸患者牙周组织的影响。

Objective:To investigate the clinical effective of treatment for gingivitis by YADRAN herbal tooth powder.

youdao

目的：评价牙得安牌复方中草药牙粉对正畸患者牙周组织的影响。

Objective:To investigate the clinical effective of treatment for gingivitis by YADRAN herbal tooth powder.

youdao