Fig. 3From: Effect of sintering time on the marginal and internal fit of monolithic zirconia crowns containing 3–4 mol% Y2O3Mean marginal gap values (μm) of monolithic zirconia crowns. (a p < 0.0001, b p:0.016, c p < 0.0001, d p < 0.0001, e p:0.001, f p < 0.0001)Back to article page