The No. 1 chronic infectious disease affecting children isn’t colds or flu. It’s tooth decay – and it’s contagious. Decay can start as soon as teeth appear in the mouth. By age 5, about 60 percent of ...

When you drink cold water or a hot cup of coffee, do your teeth feel a little sensitive? Or, when you take a bite of food, do you have a toothache shortly after? If you answered yes, you might be ...