Endodontic Retreatment London, ON

What is it

Following a root canal treatment, the treated tooth may have to be worked on again if the tooth doesn’t heal properly or if infection arises.

When is it needed/Risks of not getting it done

A tooth with a root canal can have its healing disrupted by:

• Narrow or curved canals that were left untreated during the first root canal treatment.
• Complex canals that were unnoticed during the first root canal treatment.
• The restorative filling or crown was not inserted into the tooth quickly enough during the first root canal treatment.
• The restorative filling or crown was unable to prevent saliva from entering and infecting the inside of the initially treated tooth.

Cases occur where a successful root canal is performed but new problems still arise. For example:

1. If the tooth starts to decay again, the filling material that was inserted in the initial treatment can become exposed and be at risk for contamination.
2. A tooth can have complex canals that can go undetected during the initial treatment.
3. If the filling becomes cracked or the crown exposes the filling then the tooth can be at risk of contamination.

How is it done

1. If the dentist feels it is necessary to move forward with an Endodontic Retreatment, the access hole will be reopened and the canals made accessible to the dentist.
2. Next, the Dentist will remove the filling material so they can treat the root canal(s).
3. Third, the Dentist will examine and clean the inside of the troublesome tooth.
4. Lastly, the Dentist will fill and seal the tooth's canal(s) carefully with the restorative material and a crown to restore full functionality and structure to the tooth.

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