Evaluation of the color stability and surface roughness of dual-cure, bulk-fill composites
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Date
2021
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info:eu-repo/semantics/openAccess
Abstract
Aim: In recent years, tooth-colored, dual-cure, bulk-fill composite resins,\rwhich have attracted attention for their ease of use, constitute one of the\rlatest developments in pediatric dentistry applications. This study aimed\rto evaluate the color stability and surface roughness properties of three\rdifferent dual-cure, bulk-fill materials and one light-cure, bulk-fill\rcomposite material used in pediatric dentistry.\rMethodology: In this study, three different dual-cure, bulk-fill\rcomposites (Fill-Up, HyperFIL, Cention-N) and one light-polymerized bulkfill\rcomposite (Reveal HD) were used. A total of 70 samples were obtained\rfor surface roughness testing. The surface roughness testing was performed\rwith a Hysitron TI 950 Triboindenter device. A total of 105 samples were\robtained for the evaluation of color stability. Cherry juice, iced tea, and\rdistilled water were used as solutions. Initial and final color measurements\rwere made using a spectrophotometer. The color differences between\rmeasurements were recorded according to the CIEDE 2000 system.\rResults: The least surface roughness among the composite groups was\robserved in the light polymerized Cention-N composite samples in the\rexperimental group. In the Fill-Up and Cention-N composite groups in the\rexperimental group, the surface roughness of the samples left to selfpolymerization\rand the samples polymerized with light showed a\rstatistically significant difference (p < 0.05). Among the composite groups,\rthe highest amount of coloring was observed in the Fill-Up composite\rsamples, which were left to self-polymerization and kept in cherry juice in\rthe experimental group. The least coloration among the composite groups\rwas observed in the Cention-N composite samples polymerized with light\rand kept in distilled water.\rConclusion: Based on this information, a decrease in surface roughness\rand an increase in color stability can be expected due to selfpolymerization\rand the light polymerization of dual-cured, bulk-fill\rcomposites.
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Journal or Series
International Dental Research
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Scopus Q Value
Volume
11
Issue
Supplement 1
