A review of the prognostic value of irrigation on root canal treatment success

Abstract

The aim of this review is to discuss the requirements for effective irrigation of the root canal system and its role in treatment outcome. A review of the literature regarding irrigants, methods of irrigation and regimens was undertaken. It indicates that irrigation is comprised of a multitude of factors, and that effective irrigant delivery and agitation achieves mechanical, chemical and microbiological functions, which are prerequisites for obtaining a clean canal system. However, most studies are ex vivo and assess intermediate outcome values rather than treatment success. Additionally, there is an absence of high-level evidence evaluating the effect of irrigation on the outcome of root canal treatment. Therefore, citing irrigation as a significant factor that affects root canal treatment success cannot be done. This highlights the need to further investigate the prognostic value of irrigation on root canal treatment success.

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