It can take several days to recover from a root canal, according to WebMD. The jaw will feel tender and painful for even longer, although the pain generally responds to over-the-counter pain medications.
The natural tissue inflammation that occurs following a root canal can become a cause of discomfort following the procedure. Pain can be alleviated with medications like Motrin, Advil and Aleve. Most people are able to resume normal activities the day following a root canal. WebMD cautions that until the root canal is finished with a crown or filling in place, it is a good idea to minimize chewing on the repaired tooth.