Listening Quiz: Tư Vấn Phòng Ngừa Sâu Răng Do Bình Sữa – Easy Level

1. What is the main topic of the conversation?
2. What should parents avoid doing to help prevent tooth decay?
3. Why can putting milk or juice on teeth cause problems?
4. How much fluoride toothpaste should be used for babies under two?
5. What should parents do when older children use fluoride toothpaste?

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