Drink Tea
Black and green teas contain polyphenols, antioxidant plant compounds that prevent plaque from adhering to your teeth to help reduce your chances of developing cavities and gum disease. Tea also inhibits the growth of the bacteria that cause bad odor therefore possibly reducing bad breath.
Eat Cheese
If you can't brush or floss after having a soda or sugary treat, just eat a piece of cheddar! Research shows that eating cheese can help reduce cavities in part by neutralizing tooth damaging acid.
Eat 800mg of calcium a day
People who do are less likely to develop severe gum disease, says a recent study by the Buffalo researchers.