Brush your teeth twice a day
Floss daily
Brush your tongue
Use an antibacterial mouthwash
Drink plenty of water
Avoid tobacco products
Limit garlic, onions, and strong-smelling foods
Chew sugar-free gum
Replace your toothbrush regularly
Clean dentures, retainers, or mouthguards daily
Eat regular meals to avoid dry mouth
See a dentist for cavities, gum disease, or other oral problems
See a doctor if bad breath persists despite good oral hygiene