For the first 24 hours, you should stick to soft, cool foods such as Jello-o, pudding, and ice cream. After the initial 24 hours, you can add lukewarm foods such as mashed potatoes, scrambled eggs, and broth-based soups.
Only chew on the opposite side of the mouth from the treated area until the healing process is complete. As your mouth tolerates more solid foods, you can introduce them to your diet.