Effect of surface finishing and polishing procedures on color properties and translucency of monolithic zirconia restorations at varying thickness

Samah Saker; Mutlu Özcan

doi:10.1111/jerd.12681

journal article Nov 14, 2020

Effect of surface finishing and polishing procedures on color properties and translucency of monolithic zirconia restorations at varying thickness

Samah Saker

Mutlu Özcan

Journal of Esthetic and Restorative Dentistry Vol. 33 No. 6 pp. 953-963 · Wiley

View at Publisher Save 10.1111/jerd.12681

Abstract

AbstractObjectiveThis study aimed to assess the impact of monolithic zirconia thickness on its color properties after different surface finishing and polishing procedures, and following aging in coffee solution.Materials and methodsTwo types of monolithic zirconia brands [Prettau Anterior (PA) and DD Cubex2 (DDC)] with three different thicknesses: 0.5, 1, and 1.5, and 10 mm diameter were tested. The color properties were evaluated after various surface finishing procedures (glazing, adjusting with burs + glaze, polishing, adjusting with burs + polishing) and after 5,000 cycles in a coffee solution were evaluated. The differences in color (ΔE) and translucency, were calculated and statistically analyzed by three‐way ANOVA and pairwise comparison (α = 0.05).ResultsThe brand, material thickness, and surface finishing protocol before and after coffee thermocycling had significant effect on color variations (p < 0.001). For translucency, 3‐way ANOVA revealed a significant interaction between the material thickness and surface finishing protocol following aging in coffee solution (p < 0.001), however no significant interaction was observed following the surface finishing protocols (p = 0.247).ConclusionsThe optical properties of monolithic zirconia ceramics can be influenced by the material brand, material thickness and the procedure of surface finishing and polishing.Clinical significanceClinicians should take into consideration the potential change of the color properties of monolithic zirconia restorations following both contouring and occlusal adjustment procedures and coffee intake.

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Metrics

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References

Details

Published: Nov 14, 2020
Vol/Issue: 33(6)
Pages: 953-963
License: View

Authors

S

Samah Saker

Department of Fixed Prosthodontics Mansoura University Mansoura Egypt

M

Mutlu Özcan

Division of Dental Biomaterials, Center for Dental and Oral Medicine, Clinic for Reconstructive Dentistry University of Zürich Zürich Switzerland

Cite This Article

Samah Saker, Mutlu Özcan (2020). Effect of surface finishing and polishing procedures on color properties and translucency of monolithic zirconia restorations at varying thickness. Journal of Esthetic and Restorative Dentistry, 33(6), 953-963. https://doi.org/10.1111/jerd.12681

Effect of surface finishing and polishing procedures on color properties and translucency of monolithic zirconia restorations at varying thickness

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