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The aim of this study was to determine the effect of aging on the biaxial flexural strength (BFS) of Ce-TZP/Al2O3 and Y-TZP after occlusal adjustment. NanoZr block (Ce-TZP/Al2O3 nanocomposite) and Katana zirconia block (Y-TZP) were prepared by milling with the aid of CAD/CAM into disk-shaped specimens. For each type of zirconia, 16 specimens were prepared without grinding for the control group (diameter...
In this paper, we aim at determining the actual fracture toughness of three difference yttria concentrations (3mol%, 5mol% and 8mol%) zirconia ceramics by single-edge V-notched beam (SEVNB) method. The notch root radius (ρ≈0.25 μm) introduced by femtosecond laser is smaller than the grain size of 3YSZ. As obtained KIc values for the three zirconia samples are 4.4±0.12, 2.8 ±0.11 and 1.6±0.05MPam1/2...
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