Root CanalsIf your nerve tissue has become infected due to severe decay or damage, you may need root canal (Endodontic) therapy. There’s no reason to worry, though. We know root canals have a rather unpleasant reputation. We do everything we can to keep you relaxed during the procedure. We want to save your tooth and stop the painful infection from spreading. Dr. Marsh performs anterior and premolar root canal treatment right in our offices.