Microscopic Endodontic Retreatment
Endodontic retreatment is performed when a previous root canal treatment has become diseased. Retreatment involves the removal of an existing root canal filling with a goal to determine the cause for failure and correct the problem.
This image shows a root canal filling that has become contaminated from recurrent decay under the existing crown.
This image shows a root canal treated tooth that has an infection.
This is an image showing the previous root canal filling removed with a goal to disinfect the apical third of the root.
The apical third of the root was adequately disinfected and the tooth was filled with root canal filling material to allow the bone to heal around the apex.
This is an image showing the bone now healed around this tooth. Bone often takes one year or more to fully heal.
Images supplied by the American Association of Endodontists