Experimental analysis revealed varying staining effects of beverages on acrylic teeth, suggesting implications for denture longevity.
Introduction: Crucial property of esthetic restorative materials is their color stability. Aim: to evaluate color stability of Gnathostar Ivoclar Vivadent acrylic artificial teeth in contact with the dark carbonated soft drink, coffee, sage tea and red wine, compared to distilled water. Materials and methods: a total of 15 samples were monitored, the same type, color and position of the teeth. The samples were divided into 5 groups, 3 teeth in each (n = 3). The artificial teeth were placed in an appropriate liquid at the room temperature. Tooth color was registered after 60 days, using spectrophotometer. Data were analyzed by the Kruskal-Wallis test. Results: dark carbonated beverage had the greatest pigmenting effect (ΔE = 22.1). Conclusion: there was no significant difference in staining ability between the four different fluids (χ² (3) = 4.385, p = 0.223). Each fluid showed perceptible difference in tooth color, compared to the control group
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Amra Hadžipašić (2020) studied this question.
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