In most cases, a tooth that has already had a root canal does not require additional endodontic treatment. In some cases, however, a tooth that has already had a root canal can develop an infection. This can happen months or years after your original treatment. In some cases, the infection can be eliminated with endodontic retreatment. Endodontic retreatment is removal of the existing root canal filling material, cleaning, shaping and disinfecting the inside of the tooth, and placing new root canal filling material (gutta percha). Following endodontic retreatment, you will need to return to your general dentist for either a filling or a crown.
Improper healing may be caused by:
- Curved or narrow canals were not treated during the initial treatment.
- Complicated canals went undetected during the initial treatment.
- The crown or restoration was not placed within the appropriate amount of time following the procedure.
- The crown or restoration did not prevent saliva from contaminating the inside of the tooth.
In some cases, new problems can influence a tooth that was successfully treated:
- New decay can expose a root canal filling material, causing infection.
- A cracked or loose filling or crown can expose the tooth to new infection.
There are several ways to treat a tooth that has already had a root canal that develops an infection. Because of this, if your tooth has already had root canal treatment and it develops an infection, you will need to have a consultation appointment prior to treatment.
To schedule a consultation and checkup, use this form or call our office today.
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