Novel bilayered zirconia systems using recycled 3Y-TZP for dental applications

To synthesize bilayer zirconia systems based on commercial or recycled 3Y-TZP obtained from non-milled remnants and to compare their optical and mechanical properties before and after aging. Bilayer zirconia samples were fabricated using either recycled 3Y-TZP (3Y-R/4Y and 3Y-R/5Y) or commercial pow...

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Bibliographic Details
Published in:Dental materials 2025-01
Main Authors: Benalcázar-Jalkh Ernesto, B., Campos Tiago, M.B., Claudinei, Santos, Alves Larissa, M.M., Carvalho Laura, F., Bergamo Edmara, T.P., Tebcherani Sergio, M., Lukasz, Witek, Coelho Paulo, G., Thim Gilmar, P., Satoshi, Yamaguchi, Sousa Edisa, O., Marcolino Giovana, A., Bonfante Estevam, A.
Format: Article
Language:English
Subjects:
Aging
Bilayered ceramics
CAD/CAM input waste
Mechanical properties
Recycling
ZrO2 pre-sintered blocks
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Summary:To synthesize bilayer zirconia systems based on commercial or recycled 3Y-TZP obtained from non-milled remnants and to compare their optical and mechanical properties before and after aging. Bilayer zirconia samples were fabricated using either recycled 3Y-TZP (3Y-R/4Y and 3Y-R/5Y) or commercial powders (3Y/4Y and 3Y/5Y). Microstructure and phase composition were analyzed using Scanning-Electron-Microscopy (SEM) and X-Ray Diffraction (XRD). Optical and mechanical properties were assessed via reflectance and biaxial flexural strength tests (BFS), followed by fractographic analysis. Optical properties and BFS data were analyzed using two-way ANOVA and Tukey test, and Weibull statistics, respectively. Recycled powder exhibited particle sizes
ISSN:0109-5641
1879-0097
1879-0097
DOI:10.1016/j.dental.2024.12.013