Comparison of Elution of Organic Elements Conventional Composite and Ormocer in Different Environments
It is essential to study the biocompatibility of composite resins, including the leached components and their potential impact on human health. This study investigated the elution of organic components of a conventional composite resin and Ormocer in different environments.
In this experimental study, a Teflon mold was used to prepare 32 samples of two types of composite resin (All-purpose methacrylate-based microhybrid composite resin and Ormocer [Admira Fusion]) with a diameter of 6 mm and a height of 2 mm. The samples were immersed in distilled water and methanol. After 24 hours and 7 days, the amounts of TEGDMA, UDMA, and CQ in Ormocer released were checked by a gas chromatography device; the results were analyzed with one-way ANOVA and Tukey tests using SPSS 23 (α < 0.05).
The elution of TEGDMA, UDMA, and CQ in Ormocer were significantly lower than microhybrid composite resins (p value < 0.009), and the significant difference persisted over one week for both materials (p value < 0.001).
The Ormocer composite showed the lowest elution of TEGDMA, UDMA, and CQ components compared to the microhybrid composite resin. The elution of Ormocer composite resin in water was lower than that in methanol; also, the elution of CQ of Ormocer composite resin in methanol was higher than other components.
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