Brush twice daily with a soft-bristled toothbrush and fluoride toothpaste
Floss daily to remove plaque between teeth
Rinse with water after consuming coffee, tea, wine, or dark-colored foods
Use baking soda toothpaste occasionally
Brush gently with a baking soda and water paste once or twice a week
Try oil pulling with coconut oil for 10 to 15 minutes
Use diluted hydrogen peroxide as an occasional mouth rinse if appropriate
Eat crunchy fruits and vegetables like apples and carrots
Reduce smoking and tobacco use
Limit sugary and acidic foods and drinks
Drink plenty of water throughout the day
Clean your tongue regularly
Use a straw for stain-causing beverages
Maintain regular dental cleanings
See a dentist if the black stains do not improve or may be due to decay