Keywords
Resinas Compostas
Cor Spectrophotometry
Composite Resins
Color
How to Cite
Abstract
The objective of this study was to evaluate a color equivalence between resins composed of different commercial brands and these in relation to the Vita Classical scale through spectrophotometry. 12 groups of three commercial brands of composite resins were formed: Opallis; Z100 and Fill Magic, in colors A2, A3, B2 and C2. For each group, 5 specimens were made with 8mm sides and 1.5mm depth. For a comparative analysis of the color (ΔE), the Vita EasyShade spectrophotometer (Vita Zahnfabrink, Germany) was used. The collected data were given to statistical analysis by ANOVA, Tukey-Kramer and Qui-square method considering the significance level of 5%. For all groups, ΔE different from zero was found to indicate a color difference between the resins and a Vita Classical scale and a difference between the resins depending on the color analyzed. When aiming to perform restorative procedures with composites that simulate a natural tooth color, we should not consider replacing a resin with another one of a different commercial brand even if it is the same color as we cannot use a scale as a unique tool in the selection process the color of composite resins.
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