Table 1.
Descriptive statistics for different types of ceramics materials and their effect on fracture resistance.
| N | Mean | Std. deviation | Std. error | Minimum | Maximum | |
|---|---|---|---|---|---|---|
| ILD1 | 5 | 410.1 | 18.5 | 8.4 | 381.7 | 432.3 |
| ILD2 | 5 | 331.9 | 33.5 | 14.9 | 296.6 | 378.2 |
| DDC1 | 5 | 727.5 | 37.5 | 16.8 | 667.8 | 765.4 |
| DDC2 | 5 | 478.5 | 48.9 | 21.9 | 423.5 | 539.7 |
| WPS1 | 5 | 865.0 | 45.3 | 20.3 | 811.9 | 920.1 |
| WPS2 | 5 | 518.8 | 67.5 | 30.2 | 413.7 | 592.9 |
| IZP1 | 5 | 846.0 | 78.3 | 35.0 | 768.1 | 974.4 |
| IZP2 | 5 | 539.8 | 32.6 | 14.6 | 496.2 | 574.8 |
Note: ILD1 (0.5 mm Ivoclar lithium disilicate material IPS e.max CAD), ILD2 (0.3 mm Ivoclar lithium disilicate material IPS e.max CAD), DDC1 (0.5 mm Dental direct cubeX2 ML), DDC2 (0.3 mm Dental direct cubeX2 ML), WPS1 (0.5 mm white peaks copra supreme symphony), WPS2 (0.3 mm white peaks CopraSupreme Symphony), IZP1 (0.5 mm Ivoclar Zircad Prime), and IZP2 (0.3 mm Ivoclar Zircad Prime).