Rinse with warm salt water several times a day
Use a baking soda rinse
Apply over-the-counter numbing gels or oral pain relievers
Avoid spicy, acidic, or rough foods
Use a soft-bristled toothbrush
Avoid alcohol-based mouthwashes
Stay hydrated
Use a cold compress or ice chips for pain relief
Take over-the-counter pain relievers if needed
Apply protective oral paste or barrier gel
Manage stress and get enough rest
Avoid biting the inside of your mouth
Check for triggers such as certain foods or toothpaste ingredients
See a dentist or doctor if sores are large, frequent, very painful, or last more than two weeks