See a dentist for a filling, crown, or root canal if the cavity is already formed
Brush teeth twice daily with fluoride toothpaste
Floss once daily
Use fluoride mouthwash if recommended
Reduce sugary and acidic foods and drinks
Drink water after meals and snacks
Chew sugar-free gum to stimulate saliva
Get regular dental checkups and cleanings
Ask a dentist about fluoride treatments or dental sealants
Maintain good oral hygiene to prevent new cavities