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，会增加牙组织炎症，从而改变口腔微生物群中细菌组成，并增大患牙炎风险或加重牙炎。

But while we wait for results, maintaining good oral hygiene to avoid periodontitis seems to be a great way to reduce risk, too.

们等待结果同时，保持良好口腔卫生，避免患上牙炎，似乎也是降低风险个好方法。

In a 2012 study, it was found that 53% of the patients with erectile dysfunction also had severe periodontitis.

2012 年研究中发现，53% 勃起功能障碍患者还患有严重牙炎。

And after that, you not brushing your teeth would lead to periodontitis.

而之后，你不刷牙会导致牙炎。

So periodontitis is pretty common, with the Centers for Disease Control and Prevention in the United States citing that about 50% of people thirty or over have it to some degree.

因此牙炎相当普遍，美国疾病控制和预防中心指出，30 岁以上人群中大约有 50% 人某种程度上患有牙炎。

The idea is that, as periodontitis breaks down cells in the gums, P. gingivalis is able to break into the rest of the body.

其理念是，当牙炎破坏牙龈细胞时，牙龈卟啉菌能侵入身体其他部位。

This connection centers around an oral infection called periodontitis.

这种联系围绕着种叫做牙炎口腔感染。

When bacteria really starts to build up, you increase your risk of developing something called periodontitis, which is the erosion of tissue, gums and bone that support your teeth.

当细菌真正开始滋生时，就会增加患牙炎风险，牙炎是支撑牙齿组织、牙龈和骨骼侵蚀。

More importantly, RCT eliminates the pulpal innate immuneresponse and natural biological defense against bacterial invasion, leaving the treated pulpless tooth more susceptible to recurrentcaries, apical periodontitis, and ultimate tooth fracture or loss.

更重要是, RCT消除了牙髓先天免疫反应和针对细菌入侵自然生物防御, 使经过治疗无牙髓牙齿更容易复发, 尖端牙炎和最终牙齿骨折或脱落。