Table 1: Comparison of Important Parameters of Zirconia, Feldspar, Lithium-disilicate, Composite Materials and ENAMIC. Refer-ences are given in Parentheses

Unit Dentin Enamel Zirconia Feldspar Composites ENAMIC
Flexural strength MPa <207 [6-8] <180 [9, 10] <620 [11-13] <150 [13, 14] <135 [15-17] 150 [2]
Weibull modulus / / / 4-14 [18, 19] 6-23 [13, 20] <13 [21, 22] 20 [2]
Youngs modulus GPa <25 [23-25] <94 [23, 24] <400 [26, 27] >50 [20, 26] <17 [28] 30 [2]
Vickers hardness GPa <1 [23-25] <6 [24, 25, 29] 10-12 [12, 27, 30] >6 [31] <6 [28, 32] 2.5 [2]
Wear m / / <1 [33, 34] <1 [14] >20 [35, 36] >1 [37]
Antagonistic wear m / / 84 [34, 38] 53 [39] <10 [40, 41] 28 [37]
Color stability dE / / <1 [42, 43] <1 [44, 45] >2 [46, 47] <1 [37]
Min. thickness mm / / >0.5 [48, 49] >1.0 [50-52] No [53, 54] >0.2

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