is necessary when bacteria have re-entered the tooth. This
is usually due to decay or untreated canal areas. The patient
may experience swelling or pain in chewing.
Sometimes a patient may have no symptoms, but is referred
to us by their dentist because an x-ray shows that there is
a problem with a tooth that has previously undergone root
What Happens During Root Canal Retreatment?
tooth is "numbed", the canal system will be reopened
to remove the previous root canal material. This may involve
removing a crown, post and core material. Sometimes we are
able to make a Small hole in the existing restoration and
work through that opening. The canals are then thoroughly
cleansed and shaped along their entire length.
are refilled with gutta-percha and the opening is sealed with
a sterile cotton pellet and a temporary filling.
is restored by your dentist within a couple of weeks. If your
existing crown can be saved, then you will need to have it
repaired. If you do not have a crown, it will probably be
the bone will heal where the bacteria was removed.