Like any other invasive medical or dental procedures, complications are possible after a root canal treatment as well.
Some of the common complications of root canal treatment are
Most people do not have pain during the root canal procedure. This is because your dentist gives you local anesthesia before the procedure. If you have pain while the procedure is being done, tell your dentist about it. Your dentist will adjust the technique to avoid causing pain again or give more anesthesia if required. If this doesn't help you may be given sedation, such as nitrous oxide.