Success rate

Success rate of Root-Canal-Treatment

It is difficult to limit success rate to 100% in any medical treatments. In case of Root-Canal-Treatment, the best therapy does not always promise  the success, and in that means, Root-Canal-Treatment is one of the most difficult fields of dental treatment.

It is reported that whether periapical lesion is exist or not before treatment will affect the prognosis.

Pulpectomy  about 90% success

Pulpectomy(nonvital case) about 80% success

Root-canal-retreatment about 60% success


Sjogren U, Hagglund B, Sundqvist G, Wing K.: Factors affecting the long-term results of endodontic treatment. J Endod. 1990 Oct;16(10):498-504.

Related Articles
* Periapical status, quality of root canal fillings and estimated endodontic treatment needs in an urban German population. [Endod Dent Traumatol. 1997]
* [Long term evaluation of results of endodontic treatments of dental pulp necrosis (74 cases obturated by the monoconal technique] [Dakar Med. 1998]
* Success rate of endodontic treatment of teeth with vital and nonvital pulps. A meta-analysis. [Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2004]
* Longitudinal study of periapical and endodontic status in a Danish population. [Int Endod J. 2006]
* Assessment of the periapical and clinical status of crowned teeth over 25 years. [J Dent. 1997]

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