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ORIGINAL ARTICLE
Year : 2020  |  Volume : 23  |  Issue : 3  |  Page : 322-328

Evaluation of the effect of various beverages on the color stability and microhardness of restorative materials


1 Department of Restorative Dentistry, Faculty of Dentistry, Cumhuriyet University, Sivas, Turkey
2 Department of Restorative Dentistry, Faculty of Dentistry, Sakarya University, Sakarya, Turkey

Correspondence Address:
Dr. S Ozkanoglu
Faculty of Dentistry, Department of Restorative Dentistry, Faculty of Dentistry, Cumhuriyet University, 58140 Sivas
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/njcp.njcp_306_19

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Objective: The aim of this in-vitro study was to investigate the effects of frequently consumed beverages on the color stability and microhardness of various restorative materials. Materials and Methods: Twenty-four samples were prepared in each group to examine the effect of different beverages on coloration and surface hardness of two direct composite resins (Filtek Z250, Filtek Z550); one indirect composite resin (Solidex); and one high viscosity glass ionomer cement (Equia Forte Fil). Samples were stored in four solutions (distilled water, black tea, coffee, and cola) at room temperature for 1 week (n = 6). The color values are taken at the beginning and the color and microhardness values taken at the end of 1 week were evaluated by the Kruskal–Wallis and Mann–Whitney U tests. Results: The highest color change was observed in the Equia Fil, while the least color change was observed in the Z550 group. The highest degree of color change was observed in coffee and cola groups. While the lowest values of hardness were observed in the Solidex group, the highest values of hardness were observed in the Z550 group. The highest levels of hardness change were detected in the coffee and cola groups. Conclusion: The color and hardness of restorative materials can be negatively affected by consumed beverages. Nanohybrid composite resins are resistant to external coloration and hardness change.


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