dangerous factors bringing on the decayed tooth

• 龋齿危险因素

dangerous factors bringing on the decayed tooth的用法和样例：

例句

1. So when a night-nurser has a lot of cavities, dentists like to blame this on the sugar in the breast milk that sits on the teeth overnight.
   因此，当夜奶宝宝出现很多颗龋齿时，牙医一般都会将其原因归咎为母乳中的糖分整夜都残留在了牙齿上。