Examinando por Materia "Resina de nano relleno"

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    Effect of glycerinon color stability in a nano-filled resin exposed to drinks carbonated, Lima 2022
    (Universidad Privada Norbert Wiener, 2023-11-05) Alberca Estela, Cintya Margarita; Guevara Sotomayor, Juan César
    The objective of this study was to determine the color stability of a nanofilled resin with and without glycerin exposure to carbonated beverages. Methodology: Three carbonated beverages (Coca Cola®, Inka Cola®, and Red Bull®) were used as liquid pigments against the nanofilled resin (Filtek Z350 XT), which was previously molded into discs measuring 10 x 2 mm. These discs were divided into two groups: one group had glycerin gel applied to its surface before the final photopolymerization, while the other group did not. The initial color of the discs was identified using the Vita classical color guide through visual method. Once the colors were identified, the discs were placed in separate groups and each group was submerged in a container with a different carbonated beverage. The resin discs remained in the containers for a period of 14 days, being removed only at 7 and 14 days to verify the color. This information was tabulated and processed using ANOVA statistical analysis. Results: The Z350 XT resin, with and without glycerin, exposed to Coca Cola®, Inka Cola®, and Red Bull® for 14 days showed no significant color variation (p > 0.05). Conclusion: The color stability of nanofilled resin with and without glycerin exposed to carbonated beverages was similar.