Rinse with warm salt water several times a day
Rinse with baking soda and water
Apply an over-the-counter oral numbing gel
Use an over-the-counter protective oral paste
Avoid spicy, acidic, salty, and crunchy foods
Avoid alcohol and tobacco
Use a soft-bristled toothbrush
Brush gently and floss carefully
Stay hydrated
Suck on ice chips or sip cold water
Take over-the-counter pain relievers if needed
Use an alcohol-free mouthwash
Try a topical corticosteroid gel if prescribed
See a dentist or doctor if sores are severe, frequent, or last more than two weeks