Theoretical considerations for root canal re-treatment

Abstract

When considering performing root canal re-treatment, we must first consider why the original treatment failed. Failure of root canal treatments can occur when ideal technical standards for control of the root canal infection are not achieved. Sometimes, extra-radicular infection may prevent a successful treatment outcome. Teeth with post-treatment peri-apical infection can be managed by either non-surgical or surgical root canal re-treatment, both of which aim to restore health to the peri-apical tissues and prolong the survival of the tooth in the oral cavity. CPD/Clinical Relevance: Examples of different clinical circumstances that were considered for root canal re-treatment are presented.