Bacteria that thrive in a low pH, like mutans streptococci and Lactobacillus, begin to dominate.

适宜在低pH值环境中生存的细菌，例如变形链球菌和乳酸杆菌，将会占据主导地位。

Diets high in sugary foods cause an explosion of bacteria called mutans streptococci in our mouths.

某些微生物会过度孳长而导致蛀牙吃了高度含糖的食物。

Alcohol can lead to an increase in Gram-positive bacteria such as Streptococcus mutans which can lead to dental caries.

饮酒会导致变异链球菌等革兰氏阳性菌的数量增多，从而引发龋齿。

It’s believed purple nut sedge may have the ability to inhibit the growth of Streptococcus mutans.

人们认为紫色坚果莎草可能具有抑制变形链球菌生长的能力。

That environment favors bacteria like mutans streptococci and Lactobacillus, which demineralize enamel and the dentin beneath it, and if untreated, it can eventually result in a cavitated caries lesion.

酸性环境下的优势菌例如变形链球菌和乳酸杆菌，可以食牙釉质及其下层的牙本质脱矿，如果不加以治疗，最终会形成空洞型龋齿。