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 DEFINITION
The re-endodoncia is the procedure for which it turns to realize the conduits treatment in a tooth which treatment endodóntico initial has not given the awaited result. It can be of three types:
It is unirradicular when only one conduit is realized in a tooth that has only one root and for it pulpar.
It is birradicular when two conduits are realized in a tooth that has two roots and for it pulpares.
It is polirradicular when several conduits are realized in a tooth that has several roots and for it pulpares.
SYMPTOMS
Before a tooth endodonciado it is necessary to carry a clinical and X-ray evaluation out to determine if a retreatment proceeds or not endodóntico or surgically. If there appear symptoms of infection or inflammation or persistent pain for a tooth endodónciado will have to value the need of a re-endodoncia. If the tooth is asymptomatic it is possible to have an expectant attitude of periodic alertness. Nevertheless, if the tooth needs a restoration protésica a careful evaluation must be done and proceed if it is necessary to the re-endodoncia.
SKILL
A previous history and exploration, along with a suitable position of the patient and of the professional, the use of a correct skill and a few measurements of asepsis are essential norms for the achievement of a reendodoncia. It begins with the elimination of the content of the conduit with the different skills and products, to continue with the securing of a new preparation and the later achievement of a correct obstruction. It can be necessary to realize control radiographies in the different steps. This way the tooth is prepared to be restored. The teeth endodonciados can need the laying of a crown with thin esthetic and functional.
COMPLICATIONS
The percentage of successes in the retreatments is of about 60 %. For it and in spite of realizing a correct skill, the treatment can fail since it is a therapy of rescue in which multiple factors intervene, some impossible of controlling. There is very important the periodic control of the treatment, both clinical and radiological.
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DEFINITION 