Brush teeth twice daily with fluoride toothpaste
Floss once daily
Clean the tongue daily
Rinse with an alcohol-free mouthwash
Stay well hydrated
Chew sugar-free gum to stimulate saliva
Avoid tobacco products
Limit strong-smelling foods and drinks
Replace toothbrush regularly
Clean dentures, retainers, or aligners daily
Treat cavities, gum disease, and dry mouth
Visit a dentist for persistent bad breath
See a doctor if the cause may be sinus, stomach, or other medical problems