目的：用大鼠牙龈炎动物模型对牙龈炎症程度的评定指标进行研究。

Objective: To study the experimental gingivitis animal model and the indication of inflammation level.

youdao

目的：用大鼠牙龈炎动物模型对牙龈炎症程度的评定指标进行研究。

Objective: To study the experimental gingivitis animal model and the indication of inflammation level.

youdao