Influence of repeated firings on the color parameters of two different all-ceramic materials

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dc.authoridOZTURK, Caner/0000-0001-9549-2770
dc.contributor.authorFehmi, Gonuldas
dc.contributor.authorErsan, Celik
dc.contributor.authorCaner, Ozturk
dc.date.accessioned2024-09-18T20:11:36Z
dc.date.available2024-09-18T20:11:36Z
dc.date.issued2018
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractAll-ceramics materials have been widely used in dental practice due to advantages of esthetic outcome. Color parameters, one of the major factors for the esthetic outcome, are affected from different factors such as repeated firings, chemical composition and thickness. In clinical practice, ceramics were frequently subjected to the repeated firings, but the effects of the repeated firings on the color parameters have been underestimated or unknown, so the aim of the study was to evaluate the effects of the repeated firings on the color parameters of all-ceramic materials. Two commercially available A2 shaded all-ceramic systems were used in this study (lithium disilicate pressable ceramics and computer aided design/computer aided manufacturing [CAD/CAM] fabricated zirconia). Ten samples for each group (zirconia and lithium disilicate) were prepared and subjected to repeated firings, respectively (1st, 3rd, 5th). Color measurements were performed after each repeated firings using a colorimeter (Minolta CR 321, Konica Minolta, Tokyo, Japan). The perceptibility threshold and acceptability threshold for color changes (E-00) was defined as 0.8 and 1.8, respectively. Statistical analysis of the results was performed by using repeated measures ANOVA for color parameters and using non-parametric Kruskal-Wallis and Mann-Whitney-U test for E-00 values (P < .05). L*, a* values showed statistically significant differences for lithium disilicate pressable ceramics and were not significant the zirconia specimens. E-00 values were above the perceptibility level for both lithium disilicate and zirconia specimens. Repeated firings affect the color parameters of the lithium disilicate specimens. As a result of repeated firings, lithium disilicate ceramics become lighter and greener.en_US
dc.identifier.doi10.1002/col.22219
dc.identifier.endpage611en_US
dc.identifier.issn0361-2317
dc.identifier.issn1520-6378
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-85042529159en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage606en_US
dc.identifier.urihttps://doi.org/10.1002/col.22219
dc.identifier.urihttps://hdl.handle.net/20.500.12483/8972
dc.identifier.volume43en_US
dc.identifier.wosWOS:000435774100013en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofColor Research and Applicationen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectcolor difference metricsen_US
dc.subjectcolor spacesen_US
dc.subjectdental ceramicsen_US
dc.subjectrepeated firingsen_US
dc.titleInfluence of repeated firings on the color parameters of two different all-ceramic materialsen_US
dc.typeArticleen_US

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