Brush your teeth twice a day
Floss daily
Clean your tongue
Rinse with alcohol-free mouthwash
Drink plenty of water
Avoid smoking and tobacco
Limit strong-smelling foods
Chew sugar-free gum
Eat regular meals
Replace your toothbrush regularly
Clean dentures, retainers, or mouthguards daily
Treat cavities, gum disease, or infections
See a dentist if the smell persists