Success rate and complications of root canal

The root canal has a very good success rate over 95%. If well maintained, teeth treated by a root canal can last a lifetime. Despite all the efforts that the dentist has done to clean and isolate the channels of a tooth, new infections can arise. The reasons improbable (5%) who can lead a root canal is a complication:
 * A greater number of channels received.
 * An undetected fracture in the root of a tooth. 
 * A separation of a piece of the instrument cleaning by the dentist and remains in the channel. In these cases the tooth can remain symptomatic or may lead to complications. Following a complication, a tooth can be reprocessed by a second root canal. It may also undergo apectomie which consists of surgical removal of part of the root infected through the gum. In cases where no treatment has restored the complication, we may have to extract the tooth in question. A tooth has received a root canal can Carrier like other teeth. It is important to maintain good oral hygiene to keep this tooth for a long time. Moreover, it is advisable to restore a tooth with a crown devitalized to be strong.