Most people might think that choosing a healthy snack could mean raisins, dried fruit, or fresh fruit juice. However, there can be hidden dangers for your teeth. Dried fruit and raisins stick to teeth giving your teeth a sugar bath, and fruit juices contain acids and sugars that can erode tooth enamel. You should also think about when and how often you eat snacks. Damaging acids form in your mouth every time you eat sugary snacks.