Brush your teeth twice daily
Floss once daily
Brush your tongue
Use an alcohol-free mouthwash
Drink plenty of water
Avoid smoking and tobacco
Limit garlic, onions, and strong-smelling foods
Eat regular meals
Chew sugar-free gum
Clean dentures, retainers, or mouthguards daily
Replace your toothbrush every 3 months
Visit a dentist for cavities, gum disease, or infection
See a doctor if the bad smell continues