Brush gently with a soft-bristled toothbrush
Floss carefully once a day
Rinse with warm salt water
Use an alcohol-free antiseptic mouthwash
Apply a cold compress to the outside of the cheek
Avoid smoking and tobacco
Avoid very hot, spicy, or acidic foods
Stay hydrated
Take over-the-counter pain relief if safe for you
Replace worn toothbrushes regularly
Maintain good oral hygiene
See a dentist if swelling lasts more than a few days
Seek urgent care if there is severe pain, pus, fever, or trouble swallowing or breathing