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Influence of the color of composite resin foundation and luting cement on the final color of lithium disilicate ceramic systems

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dc.contributor.author Celik, Ersan
dc.contributor.author Dede, Dogu Omur
dc.contributor.author Koroglu, AySegul
dc.contributor.author Ozdemir, Oguz Suleyman
dc.contributor.author Sahin, Onur
dc.contributor.author Yilmaz, Burak
dc.date.accessioned 2022-08-16T06:05:54Z
dc.date.available 2022-08-16T06:05:54Z
dc.date.issued 2017
dc.identifier.uri http://doi.org/10.1016/j.prosdent.2016.05.016
dc.identifier.uri https://www.sciencedirect.com/science/article/pii/S0022391316302256?via%3Dihub
dc.identifier.uri http://earsiv.odu.edu.tr:8080/xmlui/handle/11489/1692
dc.description.abstract Statement of problem. Lithium disilicate restorations are commonly used, particularly in the anterior region. The color of the underlying composite resin foundation (CRF) and luting cement may negatively affect the color of lithium disilicate ceramic restorations. Purpose. The purpose of this in vitro study was to investigate the effect of CRF and resin cement materials on the color of lithium disilicate ceramics in 2 different translucencies. Material and methods. Twenty disks (11x1.5 mm, shade A2) were fabricated from medium-opacity (mo) (n=10) and high-translucency (ht) (n=10) lithium disilicate (Lds) blocks (IPS e.max Press). Five CRF disks (11x3 mm) were fabricated in 5 different shades (A1, A2, A3, B2, C2) and 30 resin cement disks (11x0.2 mm) in the shades of translucent (Tr), universal (Un=A2), and white-opaque (Wo). Ceramic specimens were placed on each CRF, and the resin cement combination and color was measured with a spectrophotometer. CIELAB color coordinates were recorded, and the color coordinates of both ceramics on the shades of the A2 CRF and resin cement were saved as the control. Color differences (Delta E-00) between the control and test groups were calculated. Data were analyzed with 3-way analysis ANOVA and compared with the Tukey HSD test (alpha=.05). Results. The Delta E-00 values were influenced by the shades of the CRF, resin cement materials, and also their interactions (P<.05). The Delta E-00 values were not affected by the ceramic type. The Delta E-00 values of the Wo cement groups (1.73 to 2.96) were significantly higher than those of the other cement shades (0.88 to 1.29) for each ceramic type and CRF shade (P<.05). Conclusions. Lithium disilicate ceramics in 2 different translucencies were similarly influenced by the color of the underlying cement and CRF. When translucent and universal cement shades were used, the core shade did not affect the final color of the ceramics. White opaque cement caused clinically unacceptable color changes in both ceramics on all shades of CRFs except the C2 CRF and when high translucency ceramic was used on the A2 CRF. These changes were clinically acceptable, but perceptible. en_US
dc.language.iso eng en_US
dc.publisher MOSBY-ELSEVIER, 360 PARK AVENUE SOUTH, NEW YORK, NY 10010-1710 USA en_US
dc.relation.isversionof 10.1016/j.prosdent.2016.05.016 en_US
dc.rights info:eu-repo/semantics/openAccess en_US
dc.subject LAMINATE VENEERS; LIGHT-SOURCE; THICKNESS; SHADE; CROWNS; SUBSTRATE; FILLER en_US
dc.title Influence of the color of composite resin foundation and luting cement on the final color of lithium disilicate ceramic systems en_US
dc.type article en_US
dc.relation.journal JOURNAL OF PROSTHETIC DENTISTRY en_US
dc.contributor.department Ordu Üniversitesi en_US
dc.contributor.authorID 0000-0002-7101-363X en_US
dc.contributor.authorID 0000-0002-8018-6946 en_US
dc.contributor.authorID 0000-0003-1021-5702 en_US
dc.identifier.volume 117 en_US
dc.identifier.issue 1 en_US
dc.identifier.startpage 138 en_US
dc.identifier.endpage 143 en_US


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