Also, some systemic diseases such as diabetes, rheumatoid arthritis, and systemic lupus erythematosis can enhance inflammation in the periodontium which can lead to a shift in bacterial composition and increase the risk or severity of periodontitis.

此外，某些系统性疾病，例如糖尿病、类风湿关节炎、系统性红斑狼疮，牙周织炎，改变口腔微生物群中细菌的成，并大患牙周炎的风险或重牙周炎。

Together, the gums and other structures that support the teeth are known as the periodontium.

牙龈和支撑牙齿的其他结构一起被称为牙周织。