Comparação de matizes em diferentes marcas comerciais de resina composta

PESSôA, Bárbara Monteiro; MONNERAT, Antônio Fernando; de Andrade FILHO, Hugo; dos Reis Perez, Cesar; de MIRANDA, Marianna Sorozini Ferreira; PINTO, Bruno Dias
October 2012
Revista Dental Press de Estética;out-dez2012, Vol. 9 Issue 4, p114
Academic Journal
Introduction: The color selection is a complex process affected by many variables. This study comparatively analyzed the color of four A2 composite resins from different commercial brands among them and between resins and the Vita Classical shade tab, assessing whether this difference is perceptible by the human eye. Methods: Six specimens were prepared for each A2 composite used: Amelogen (group 1), Filtek Supreme (group 2), Estelite (group 3) and Point 4 (group 4). By means of photographic and CIE Lab system, each specimen and of the Vita Classical's scale shade palette were analysed. The data were statistically analyzed by the One Way ANOVA and Tukey HSD methods. Results: There was a statistically significant difference between groups 2 and 4 (p < 0.05). Point 4 resin obtained results closer to the A2 palette from the Vita Classical scale, although in a clinically unacceptable range. Filtek Supreme resin presented the most discrepant results compared to the same scale. Amelogen and Estelite resins didn't showed satisfactory results, but it were closer to Point 4. Conclusions: Analyzing composites of the same color it can be easily found discrepancies between different samples from the same shade as well in different commercial brands, besides the differences present among the resin and the scale's palette from the same color. Therefore, it increases the difficulty of making an esthetic restoration by the professional.


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