I am hoping you will post to Bryanna about this root canal before you go forward with it. There is alot of informations about this proceedure I didn't know before. She can fill you in on what the new research is showing about RC. She is the one on the site who has the most experience for leaning about our dental problems. You can also post PM to her. Put this on the dental forum and she may see it faster. Hope your situation is resolved soon. Sorry you have RSD on top of this. I do know that is not fun at all. take care, ginnie