Effect of colorant solutions on the color stability of provisional prosthetic materials
Braz. j. oral sci
;
17: e18153, 2018. tab
Article
in English
| LILACS, BBO
| ID: biblio-963708
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
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Acrylic Resins
/
Color
/
Dental Restoration, Temporary
Language:
English
Journal:
Braz. j. oral sci
Journal subject:
Dentistry
Year:
2018
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
Bahiana School of Medicine and Public Health/BR
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