做窝沟封闭能保证儿童没有蛀牙吗？

Do sealants guarantee my child will not get any cavities?

youdao

爱蜜莉：爹地，我朋友玫今天去看牙医，因为她蛀牙了，她说蛀牙非常痛。真幸运我没有蛀牙。

Daddy, my friend may went to the dentist today because she had a decayed tooth, and she said it hurt a lot. luckily i don ' t have decayed teeth.

youdao

牙斑没有清除就会导致蛀牙和牙龈疾病。

When not removed, plaque causes tooth decay and gum disease.

《柯林斯英汉双解大词典》