Bacteria in plaque also cause gingivitis and other periodontal diseases .

菌斑中的细菌还可以导致牙龈炎及其他牙周病。

Evidence consistently reveals diabetes is a risk factor for increased severity of gingivitis and periodontitis .

有证据表明，糖尿病是造成牙龈炎和牙周炎恶化的重要因素。

Smoking or using smokeless tobacco increases your risk of oral cancer , gingivitis , periodontitis and tooth decay .

吸烟或者使用无烟烟草增加罹患口腔癌，牙龈炎，牙周炎以及龋齿的风险。

This is often the first sign of gingivitis and serious dental problems .

这往往是第一个迹象牙龈炎和严重的牙齿有问题。

Saliva helps protect teeth and gums from bacteria that cause cavities and gingivitis . So a perpetually dry mouth is more susceptible to tooth decay and gum disease .

唾液可以保护牙齿免受引发牙齿腔洞和牙龈炎的细菌感染，所以长期干燥的口腔更易患这两种疾病。