The effect of low viscous coir fiber resin composite immersion time on composition dissolution

Yongki Hadinata Wijaya, Twi Agnita Cevanti, Diana Soesilo, Linda Rochyani

Abstract


Background: E glass fiber dental is a fiber that is often used in dentistry. The availability of E glass fiber in Indonesia is still very limited. Various types of non-dental glass fiber materials are found in the market as engineering materials with relatively cheap prices so that they are expected to be used as an alternative to E glass fiber dental, which one of is coconut fiber. The composition of non-dental glass fiber is almost the same as that of dental E glass fiber. The composition affects the mechanical properties and chemical properties of the fiber. Glass fiber compositions such as Na2O and K2O will increase water resistance.
Method: This study was conducted using a post test only control group design. The material used in this study was a composite of coconut coir fiber. The subjects of the coco fiber composite were divided into 4 groups for solubility test based on ISO 4049. The results obtained were analyzed using one-way ANOVA (p = 0.000). The results showed the lowest mean component solubility (%) was in the coconut fiber composite group A (0.476±0.03) and the highest yield was in the coco coir fiber composite D (0.6±0.01).
Results: The results of the one-way ANOVA test showed a significant difference in the coco fiber composite in the solubility of the components (p<0.05).
Conclusion: The low composition of Na2O and K2O as well as CaO and MgO could reduce the solubility properties of the components of the coconut fiber composite.

Keywords


component solubility; fiber composition; non-dental glass fiber; coco fiber

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DOI: http://dx.doi.org/10.30659/odj.10.1.82-89

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