Fig. 3From: Translucency of recent zirconia materials and material-related variables affecting their translucency: a systematic review and meta-analysisForest plots based on the meta- analysis. Global a contrast ratio results with 0.4 mm thickness; b contrast ratio results with 0.5 mm thickness; c contrast ratio results with 1 mm thickness; d contrast ratio results with 1.5 mm thicknessBack to article page