Key Points
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Aims to comprehensively review Resilon as a root filling material in practice.
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Highlights that current research although extensive it is of limited quality.
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Suggests that prospective clinical studies comparing Resilon to existing materials are required.
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Concludes that Resilon cannot yet be considered an evidence-based replacement to gutta-percha.
Abstract
Root canal treatment is achieved by chemo-mechanical debridement of the root canal system followed by filling. The filling material 'entombs' residual bacteria and acts as a barrier which prevents the entrance of oral microorganisms and reinfection of the root canal system through microleakage. However, filling with contemporary root filling materials such as gutta-percha offers limited long-term resistance to microorganisms; as a result other materials such as Resilon have been investigated as alternatives. The aim of this review was to analyse the literature to consider whether Resilon is a suitable root canal filling material. A MEDLINE and Cochrane library search including various keyword searches identified several papers which investigated or discussed Resilon or RealSeal/Epiphany. Analysis of the literature demonstrated that the bulk of the literature is in vitro in nature, based largely on leakage-type studies, and demonstrates a wide variety of methodologies with conflicting findings; as a result meaningful conclusions are difficult. Within the limit of these in vitro studies Resilon appears to perform adequately in comparison to gutta-percha, however, as a result of the questionable merit of such studies, it cannot presently be considered an evidence-based alternative to the current gold standard gutta-percha. It is imperative that before Resilon is considered as a replacement material, a better understanding of the physical properties of the resin sealer and the reality of the adhesive 'monoblock' are elucidated. The literature also demonstrates a paucity of quality long-term clinical outcome studies which will need to be addressed before firm conclusions can be reached.
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Shanahan, D., Duncan, H. Root canal filling using Resilon: a review. Br Dent J 211, 81–88 (2011). https://doi.org/10.1038/sj.bdj.2011.573
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DOI: https://doi.org/10.1038/sj.bdj.2011.573
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