We all know the advice for healthy teeth -- brush twice daily and don't eat too much sugar. So why do those of us following these instructions find we sometimes need a filling when we visit the dentist? The truth is, there's a little more to preventing tooth decay than these guidelines suggest. Here's what you need to know.
원문출처 : https://www.cnn.com/2019/05/03/health/dental-health-tips-partner/index.html
원문출처 : https://www.cnn.com/2019/05/03/health/dental-health-tips-partner/index.html