目的：揭示类风湿性关节炎患者关节炎严重程度与牙周骨丧失程度的相关性。

Objective:To study the correlation between the degree of rheumatoid arthritis(RA) and periodontal bone loss.

youdao

目的：揭示类风湿性关节炎患者关节炎严重程度与牙周骨丧失程度的相关性。

Objective:To study the correlation between the degree of rheumatoid arthritis(RA) and periodontal bone loss.

youdao