With the appropriate care, your teeth that have had endodontic treatment will last as long as other natural teeth. Yet, a tooth that has received treatment may fail to heal or pain may continue to exist. Sometimes, the pain may occur months or years after treatment. If so, Endodontic Retreatment may be needed.
Some Causes of Improper healing are:
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
Complicated anatomy prevented reducing all contamination at the initial treatment
New decay exposes a root canal filling material, causing contamination
A cracked or loose filling or crown exposes the tooth to new contamination
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.
Once retreatment has been selected as a solution to your problem, the doctor will reopen your tooth to gain access to the root canal filling material. This restorative material will be removed to enable access to the root canal. The doctor will now clean your canals and carefully examine the inside of the problematic tooth. Once cleaned, the doctor will fill and seal the canals and place a temporary filling in the tooth. Retreatment may take longer to perform than other endontic procedures. At this point, you will need to return to your dentist as soon as possible in order to have a new crown or restoration placed on the tooth to restore full functionality.
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