Fluoride and eating habits are key to healthy teeth Studies have shown that children who drink fluoridated water from birth have up to 65 percent fewer cavities, and by the time they become teenagers, many of them still have no tooth decay. Using a fluoride toothpaste and mouth rinse is also effective. A balanced diet is also an important contributor to healthy teeth and gums. Children especially need calcium, which helps build strong teeth. Good sources of calcium are milk, cheese and yogurt.
Research shows that eating cheese after meals seems to inhibit the effects of decay-causing acids.
Avoid snacks containing sugar or starch. By age 3 Children should be brushing their own teeth under adult supervision. Only a pea-sized amount of toothpaste is necessary. Start flossing your child's teeth daily when all the primary teeth are in or when teeth are touching each other. By age 8 Children should be able to brush and floss by themselves, with occasional checks.