A root canal is a major procedure involving deep cleaning inside the canals of the tooth caused by decay or damage that has irritated the gums and nerves of in the surrounding area of the tooth. A root canal tooth hurts with pressure if you’re not careful in cleaning the area where the procedure took place. Tooth hurts after crown because the tooth needs a root canal. We classify this as irreversible pulpitis. I wasn't sure if it still needed time to feel better due to it being worked on a few days ago? It Chapter 2 Google Drive, Dental experts train years to complete a full endodontics practice. root canal tooth hurts with pressure. 3 Lasers. See your dentist or Endodontist for an evaluation of the tooth. Any reliance you place on such information is therefore strictly at your own risk. The origin of this “referred” pain consequently may be difficult to determine. When the nerve dies in a tooth gases are developed and pus with no where to leave and that is why it harms so much. Abscess, which is an infection of the nerve and pulp inside the tooth, is a more severe form of tooth pain. Unlimited Possibilites. What to do: See your dentist or endodontist immediately. Or it may provide a pathway for them to enter the tooth's root canal system, thus compromising its nerve tissue (cause irreversible pulpitis). by Williams and Daily on Dec 5, 2018 8:33:43 AM TOPICS: Family Dentist. Answer Save. Sorry to hear you are having discomfort with your temporary. Information Collection and Use What you can do If you experience tooth sensitivity to biting or any other kind of pain after the root canal surgery is done, keep in mind that those are side-effects that will subside as the tooth heals.