Effect of Different Anti-Oxidants on the Bond Strength of Resin Cement to Root Canal Dentin Treated With Sodium Hypochlorite and Ethylenediaminetetraacetic Acid – An In Vitro Study
Journal Title: International Journal of Medical Science and Innovative Research (IJMSIR) - Year 2019, Vol 4, Issue 8
Abstract
AIM: To evaluate the effect of two different anti-oxidants on the bond strength of resin cement to root canal dentin treated with sodium hypochlorite and Ethylenediaminetetraacetic acid. Materials and Methods: Forty freshly extracted permanent single rooted teeth were selected for the study. Teeth were sectioned at cemento-enamel junction and then instrumented. Based on the irrigation protocol, four groups were formed as: group I: (n-10) Root canals were irrigated with saline. [Negative control], group II: (n-10) Root canals were irrigated with 5% NaOCl and 17% EDTA for 10 minutes. [Positive control], group III: (n-10) Root canals were irrigated with 5%NaOCl and 17% EDTA, followed by 5% pine bark solution for 10 minutes, group IV: (n-10) Root canals were irrigated with 5% NaOCl and 17% EDTA, followed 10% lycopene solution for 10 minutes. Canals were coated with self-etch dentin bonding agent and filled with dual cure resin cement. 2mm thick coronal part of the specimens were sectioned, and prepared for tensile testing of root canal-resin interface. Results: The results demonstrated that 5% NaOCl caused significant reduction (P<0.05) in the resin-dentin bond strength, but this can be reversed by using natural anti-oxidants significantly. Conclusion: Anti-oxidants used restored the lost bond strength of resin cement to root canal dentin treated with sodium hypochlorite and ethylenediaminetetraacetic acid. Pine bark showed the maximum bond strength among all the groups.
Authors and Affiliations
Dr. Laxmikant Arun Late
Keywords
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