투란
불소함유량이 높은거 사시면 좋아요. 콜게이트 불소함유량 높아요. 그리고 가글보다는 치간칫솔 꼭 사용하세요. 의사선생님 추천입니다
I tend to get cavities often... Is there a toothpaste that is good for preventing cavities?
Is it better to have a soft toothbrush too?
Gargling before bed would help too, right?