This might sound odd to some, since the whole reason nursery water was produced was to protect the developing teeth of infants, in the hopes of preventing childhood caries.

这可能听起来有些奇怪，因为生产婴儿用水的全部原因是为保护婴儿牙齿的生长，是希望预防儿童龋齿。

youdao

Teeth with chronic caries will tend to be darker in color because the edges of the cavities become stained from normal eating and drinking.

牙齿慢性龋将趋于较深的颜色，因为边缘龋洞被正常吃的食物所染色。

youdao

Troubled modern Chinese oral health main seven big problems, including dental caries, plaque and tartar, bleeding gums, teeth, sensitive nature teeth are white and tone.

困扰现代中国人口腔健康主要有七大问题，包括龋齿，牙石，牙菌斑，牙龈出血，牙本质敏感，牙齿不洁白和口气。

youdao

Left untreated, what's termed "early dental caries" -- the first stage of tooth decay -- can destroy tiny teeth and lead to infection, pain, and lifelong consequences.

CNN: Baby's teeth: What you should know