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Document Type

Original Study

Abstract

The purpose of this study was to evaluate the effect of some common children’s drinks on color stability of nanocomposite and nanoglass ionomer. A hundred test specimens of two restorative materials (Filtek Z350; 3M and Ketac N100; 3M wereprepared using a Teflon mold (8x2 mm). Baseline measurements of color and surface roughness of each specimen were made and specimens (n=10) were immersed in 5 groups: G1: orange juice, G2: guava juice, G3: Strawberry milk; G4: Chocolate milk, and G5: Distilled water (control. Final measurements of color and surface roughness were performed and the results submitted to statistical analysis (2-way ANOVA, p<0.05). Their was no statisically significant difference between mean color change for both materials and the most significant color change was observed for specimenswhen immersed in orange juice (p<0.05). With regard to roughness, nanoglass ionomer showed the most significant changes when immersed in orange juice (p<0.05). It was concluded that color changes were dependent on the immersion media rather than the material used while surface roughness was dependent on both material type andimmersion media.

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