You can expect soreness after a root canal procedure for a few days. The first 3 days could possibly be a little more challenging. You should avoid chewing on the side of your mouth where the procedure was performed so you do not irritate the area and also to ensure that the temporary restorative material properly sets. You may need to take an antibiotic to treat any remaining infection in your tooth. Make sure you follow the instruction on how to take your antibiotic. If you notice an increasing amount of pain or tenderness, a reaction to the medication, or the loss of the temporary filling call our office immediately.