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The graph shows the mean ± SD volume loss (mm3) of steatite antagonists yielded from the 3 zirconia surface finishes after wear testing. Different letters between measurements represent statistical significance, P < 0.05. Representative 3-dimensional volumetric reconstructions of the wear scar on the steatite antagonists are also presented. NoPolGZ, not polished graded zirconia; PolGZ, polished graded zirconia; PolZ, polished zirconia.
