Effect of colorant solutions on the color stability of provisional prosthetic materials

Authors

  • Ítalo Alisson da Fonsêca Costa Bahia School of Medicine and Public Health
  • Emilena Maria Castor Xisto Lima Bahia School of Medicine and Public Health

DOI:

https://doi.org/10.20396/bjos.v17i0.8652654

Keywords:

Color. Solutions. Dental Restoration, Temporary.

Abstract

Aim: To evaluate the color stability of acrylic and bis-acrylic resins after immersion in 3 staining solutions. Methods: Forty-eight samples (10 x 2 mm) of each provisional restorative material (Duralay, Dencrilay, Structur 2 and Protemp 4) were fabricated and distributed into four groups (n = 12): G1 – distilled water (control group); G2 – a cola flavored soft drink; G3 – wine and G4 – coffee. The specimens were immersed for seven days at 37°C in the solutions, which were changed every 24 hours. The color of all specimens was measured with a spectrophotometer (VITA Easyshade Advance) before (T0) and after immersion (T1), and the color changes (ΔE) were calculated. Nonparametric Kruskal-Wallis tests were used, followed by Dunn’s test with a significance level of 5%. Results: For the acrylic resins (Duralay and Dencrilay), the largest color change values were obtained in group G4 – coffee, whereas in the bis-acrylic resins (Protemp 4 and Structur 2), the largest color difference was observed in groups G3 – wine and G4 – coffee. The acrylic resins showed statistically significantly less color change than the bis-acrylic resins. Conclusions: The coffee and the wine promoted larger color changes in the provisional prosthetic materials tested in this study. The acrylic resins showed more color stability than the bis-acrylic resins.

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Author Biographies

Ítalo Alisson da Fonsêca Costa, Bahia School of Medicine and Public Health

Specialist in Dental Prosthesis – Bahiana School of Medicine and Public Health, Salvador, Bahia, Brazil

Emilena Maria Castor Xisto Lima, Bahia School of Medicine and Public Health

Adjunct Professor – Bahiana School of Medicine and Public Health and Faculty of Dentistry of Federal University of Bahia, Salvador, Bahia, Brazil

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Published

2018-06-05

How to Cite

1.
Costa Ítalo A da F, Lima EMCX. Effect of colorant solutions on the color stability of provisional prosthetic materials. Braz. J. Oral Sci. [Internet]. 2018 Jun. 5 [cited 2022 Aug. 10];17:e18153. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8652654