Rinse your mouth with warm salt water several times a day
Avoid spicy, acidic, hot, and crunchy foods
Keep good oral hygiene by brushing gently and flossing daily
Drink plenty of water
Do not bite, pick, or squeeze the bump
Use a mild alcohol-free mouthwash if needed
Avoid smoking and vaping
Eat soft foods until it heals
Try over-the-counter pain relief if needed and safe for you
See a dentist or doctor if it lasts more than 2 weeks, gets worse, or is very painful