Endodontic perforations: their prognosis and treatment

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Various causes of perforations, the prognosis for the tooth, and treatment techniques are discussed.

Perforation of a tooth resulting in the communication of the root canal with the periodontal structures occasionally occurs during endodontic treatment. They may be induced iatrogenically or by resorption or caries. Prognosis of the tooth depends on the location of the perforation, the duration that the perforation is open to contamination, feasibility of sealing the perforation, and accessibility of the main canal. The manner in which the problem may be resolved both surgically and nonsurgically is considered.

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