Brush your teeth twice a day
Floss daily
Brush your tongue
Use an alcohol-free mouthwash
Drink plenty of water
Avoid smoking and tobacco
Limit strong-smelling foods like garlic and onions
Chew sugar-free gum
Clean dentures, retainers, or mouth guards regularly
Visit a dentist for cavities, gum disease, or other oral problems
Treat dry mouth if present
Replace your toothbrush regularly
Eat a balanced diet
See a doctor if the smell continues despite good oral care