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Fig. 4 | BMC Oral Health

Fig. 4

From: Effect of surface treatments on biaxial flexural strength, fatigue resistance, and fracture toughness of high versus low translucency zirconia

Fig. 4

Graphs summarising Weibull probability and contour plots for different types of zirconia in the as-sintered group. For Weibull probability plots, the initial (a) and residual (b) biaxial flexural strength are presented on the x-axis and the probability of fracture on the y-axis, while for the contour plots, Weibull modulus (m) and characteristic strength (\({\sigma }_{0}\)) are presented on y and x axes, respectively. Two-parameter Weibull distribution, with 95% CI, was applied for Lava (pink color), Cercon (black color), BruxZir (Blue color), and Katana (green color). The central line for each group represents the probability line, while the top and bottom lines represent 95% CI bounds

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