Enjoy a wide variety of nutritious foods.
Proper nutrition is necessary for healthy teeth and gums. Eating a well-balanced diet gives gum tissues and teeth the important nutrients and minerals needed to stay strong and resist infections. Soft, sticky foods tend to remain on the grooves and between teeth
As and sweets, limit their intake (especially between meals).
When you do snack, choose nutritious foods such as cheese and dry crackers, vegetables, natural yogurt or fresh fruit.Choose plain milk instead of flavoured milk.

Use fluoride toothpaste at least twice a day especially before you go to sleep at night.(but avoid using with boring water) -
Use floss to clean between your teeth.