Table 2: Shear bond strength results.
| Group | Mean Bond strength (MPa) | Standard deviation | *P. value |
|---|---|---|---|
| Group A Lithium disilicate: CO2/HF/Si | 2,10 | 1,07 | 0,89 |
| Group B Lithium disilicate: HF/Si | 2,08 | 1,32 | |
| Group C Zirconia: CO2/Sb/Si | 1,54 | 0,79 | 0,039 |
| Group D Zirconia: Sb/Si | 0,92 | 0,78 |
Paired t-test