Sugary snacks taste so good-but they are not so good for your teeth or your body. The candies, cakes, cookies, and other sugary foods that kids love to eat between meals can cause tooth decay. Some sugary foods have a lot of fat in them too.
Kids who consume sugary snacks eat many different kinds of sugar every day, including table sugar (sucrose) and corn sweeteners (fructose). Starchy snacks can also break down into sugars once they are in your mouth.
Invisible germs called bacteria live in your mouth all the time. Some of these bacteria form a sticky material called plaque on the surface of the teeth. When you put sugar in your mouth, the bacteria in the plaque gobble up the sweet stuff and turn it into acids. These acids are powerful enough to dissolve the hard enamel that covers your teeth. That's how cavities get started. If you don't eat much sugar, the bacteria can't produce as much of the acid that eats away enamel.