Analysis of the pigmentation of dentistry ceramics submitted to different dyes
DOI:
https://doi.org/10.35699/2178-1990.2021.26340Keywords:
Ceramic, Coloring agents, PigmentationAbstract
Aim: The present study sought to evaluate the pigmentation of dental ceramics submitted to different surface treatments and immersed in staining solutions.
Methods: Sixty ceramic samples were manufactured and divided into six groups. Groups G1, G2, and G3 received a prior glaze application, while groups G4, G5, and G6 were submitted to wear and polishing. The groups were maintained in distilled water, açaí, and coffee for a period of 30 days. Digital photographs were taken, followed by color measurement of the surface with the mColorMeter program, based on system CIELab, before immersion, after 15 and 30 days. For quantitative evaluation of color variation, a formula from ∆E was used, where mean and standard deviation of each group were obtained. The data were submitted to ANOVA statistical analysis of two factors.
Result: After the statistical analysis, the means and standard deviations for color variance (∆E) were established, and it was found that there were no statistically significant results, with p ≤ 0.05, for pigmentation in any of the groups of ceramics.
Conclusion: Therefore, it can be inferred that coffee and açaí substances did not promote significant color changes. Glaze and polishing also proved equally efficient in maintaining the color stability of the ceramics.
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References
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