The key to a healthy smile may include more than just brushing and flossing. According to Health Magazine, it may also include a glass of milk or piece of cheese.

In an article featured on Yahoo!, Health Magazine pointed the best and worst foods for your dental health.

Among the best choices was dairy.

Dairy is a primary dietary source of calcium, which is good for teeth. And calcium is the key ingredient in the mineral hydroxyapatite, which strengthens tooth enamel as well as bones.

"Dairy products — especially cheese — also contain casein, a type of protein,” the article says. “Research suggests that caseins, along with calcium, play an important role in stabilizing and repairing tooth enamel.”

Among the worst choices of food were two of milk’s beverage rivals: sports drinks and fruit juice.

Read, “Best and Worst Foods for Your Teeth.”

Last year, a study found the dairy may even help dental health in the womb. Researchers have found that babies born to women who consume cheese and other dairy products during pregnancy are likely to have better dental health than babies born to non-dairy-consumers. Read more.