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。
2
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。
3
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.