We like to eat apples; it has high nutritional, containing various vitamins and acid substances. However, Apple should pay attention to eating slowly, it is beneficial not only to digest and, more importantly, to keep oral hygiene.

After 15 minutes, if Apple, the Apple of organic acids and acid precursors can be to kill oral bacteria. Therefore, slowly eating apple, good for the health.

As for sugar, and some people like candy in mouth with longtime. This is a bad habit, because have a lactic acid bacteria in our mouth, Can make sugar fermentation and lactic acid. Sugar in the mouth, the longer the more lactic acid, and the more chances of caries occurred.