Research Article
Three-Point Bending Tests of Zirconia Core/Veneer Ceramics for Dental Restorations
Table 2
Flexural strength and surface roughness for the four types of zirconia specimens.
| Specimen type | Surface condition, Ra (m) | Flexural Strength (MPa) | Weibull parameters (MPa) | Average | SD | Modulus | Characteristic strength |
| Type A | 1.75 ± 0.47 | 688 | 100 | 8 | 729 | Type B | 1.27 ± 0.36 | 733 | 109 | 7 | 779 | Type C | 0.13 ± 0.03 | 982 | 75 | 15 | 1005 | Type D | 0.12 ± 0.03 | 991 | 46 | 22 | 1007 |
|
|