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Root
Canal Retreatment
 Retreatment
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
canal therapy.
What Happens During Root Canal Retreatment?
 Step
one:
After the
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.
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 Step
two:
The canals
are refilled with gutta-percha and the opening is sealed with
a sterile cotton pellet and a temporary filling.
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 Step
three:
The tooth
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
recommended.
With time,
the bone will heal where the bacteria was removed.
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Post
Treatment Instructions
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