Effects of 16% Carbamide Peroxide on Optical Properties of Thermally Aged Monolithic CAD-CAM Glass Ceramics with Different Surface Treatments

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dc.authorid0000-0003-4570-9067
dc.contributor.authorMurat, Sema
dc.contributor.authorBatak, Burcu
dc.contributor.authorYilmaz, Deniz
dc.contributor.authorOzturk, Caner
dc.date.accessioned2026-01-24T12:29:21Z
dc.date.available2026-01-24T12:29:21Z
dc.date.issued2023
dc.departmentAlanya Alaaddin Keykubat Üniversitesi
dc.description.abstractThis study aimed to investigate the effects of 16% carbamide peroxide (CP) on the relative translucency parameter (RTP) and color stability of thermally aged CAD-CAM glass-ceramics with glazing or polishing. Three different CAD-CAM blocks-feldspathic (VM), lithium disilicate (IPS), and zirconia-reinforced lithium silicate ceramic (VS)-were used in this study. The specimens were divided into two groups (n=10) according to surface treatments (glazing or polishing). Bleaching treatment with 16% CP was applied to the thermally aged specimens. A spectrophotometer (VITA Easyshade Advance) was used to measure the CIE L*a*b*coordinates of the specimens on white and black backgrounds, and RTP and color difference (Delta E00) values were calculated. The surface topography of the specimens and the atomic weight of the elements were analyzed with scanning electron microscopy and energy -dispersive x-ray. The data were analyzed by using the two-way ANOVA test for Delta E00 values and two-way repeated measures ANOVA test for RTP and color parameters values (a=0.05) and the Tukey post-hoc test was used for multiple comparisons of the groups. RTP values were statistically influenced by material type, bleaching, and finishing technique, and the interaction among these factors was found to be significant (p<0.05). Delta E00 values were statistically influenced by material type, finishing technique, and the interaction among these factors was also found to be significant (p<0.05). IPS presented significantly lower RTP and Delta E00 values for both glazed and polished surfaces (p<0.05). 16% CP bleaching agent caused changes in translucency of aged VM and IPS at different levels. Glazed surfaces presented higher color stability in comparison to mechanically polished surfaces for VS (p<0.05).
dc.identifier.doi10.2341/21-082-L
dc.identifier.endpage185
dc.identifier.issn0361-7734
dc.identifier.issn1559-2863
dc.identifier.issue2
dc.identifier.pmid36745505
dc.identifier.startpage176
dc.identifier.urihttps://doi.org/10.2341/21-082-L
dc.identifier.urihttps://hdl.handle.net/20.500.12868/5308
dc.identifier.volume48
dc.identifier.wosWOS:000960437400002
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherOperative Dentistry Inc
dc.relation.ispartofOperative Dentistry
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260121
dc.subjectBleaching Agents
dc.subjectCad/Cam
dc.subjectTranslucency
dc.subjectMicrohardness
dc.subjectStainability
dc.subjectRoughness
dc.subjectSystem
dc.titleEffects of 16% Carbamide Peroxide on Optical Properties of Thermally Aged Monolithic CAD-CAM Glass Ceramics with Different Surface Treatments
dc.typeArticle

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