Effect of thickness, cement shade, and coffee thermocycling on the optical properties of zirconia reinforced lithium silicate ceramic

Objective To investigate the effect of thickness, cement shade, and coffee thermocycling (CTC) on the optical properties of zirconia reinforced lithium silicate (ZLS) paired with different shades of a resin cement. Materials and Methods Thirty ZLS specimens were prepared in two different thicknesses...

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Bibliographic Details
Published in:Journal of esthetic and restorative dentistry 2021-12, Vol.33 (8), p.1132-1138
Main Authors: Çakmak, Gülce, Donmez, Mustafa Borga, Kashkari, Afnan, Johnston, William M., Yilmaz, Burak
Format: Article
Language:English
Subjects:
CAD/CAM ceramic
Cement
Ceramics
Coffee
coffee thermocycling
Color
color change
Computer-Aided Design
Dental Porcelain
Humans
Lithium
Materials Testing
Optical properties
resin cement
Resin Cements
Shade
Silicates
Surface Properties
translucency
Zirconia
zirconia reinforced lithium silicate
Zirconium
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Summary:Objective To investigate the effect of thickness, cement shade, and coffee thermocycling (CTC) on the optical properties of zirconia reinforced lithium silicate (ZLS) paired with different shades of a resin cement. Materials and Methods Thirty ZLS specimens were prepared in two different thicknesses (0.8 and 1.5 mm) and three different resin cement shades (Tr, A2, and A3) were applied (n = 5). Color determinations were done before and after 5000 CTC by using a noncontact spectroradiometer. Color change due to CTC and relative translucency parameter (RTP) before and after CTC were calculated by using CIEDE2000. Data were analyzed using ANOVA and Bonferroni‐corrected t‐tests(α = 0.05). Results Material thickness and resin cement shade (P 
ISSN:1496-4155
1708-8240
DOI:10.1111/jerd.12808