Table 1 Surface modifications and fixture resin used for different test groups
Group | Titanium bases (n = 30) | Zirconia build-ups (n = 30) | Luting Agent | ||
|---|---|---|---|---|---|
Mechanical | Chemical | Mechanical | Chemical | ||
A (n = 10) | 110 µm Al2O3 |  | 110 µm Al2O3 |  | Panavia F 2.0 |
B (n = 10) | 110 µm Al2O3 | Alloy Primer | 110 µm Al2O3 | Clearfil Ceramic Primer | Panavia F 2.0 |
C (n = 10) | 110 µm Al2O3 | Clearfil Ceramic Primer | 110 µm Al2O3 | Clearfil Ceramic Primer | Panavia F 2.0 |
Group | Titanium nitride coated bases (n = 30) | Zirconia build-ups (n = 30) | Luting agent | ||
|---|---|---|---|---|---|
Mechanical | Chemical | Mechanical | Chemical | ||
D (n = 10) | 110 µm Al2O3 before coating |  | 110 µm Al2O3 |  | Panavia F 2.0 |
E (n = 10) | 110 µm Al2O3 before coating | Alloy Primer | 110 µm Al2O3 | Clearfil Ceramic Primer | Panavia F 2.0 |
F (n = 10) | 110 µm Al2O3 before coating | Clearfil Ceramic Primer | 110 µm Al2O3 | Clearfil Ceramic Primer | Panavia F 2.0 |