Table 2.
Comparisons of the marginal gaps for the different material groups and bonding protocols.
| Total-etch |
Self-etch |
|||||||
|---|---|---|---|---|---|---|---|---|
| Variables | Mean | Ceramill COMP | Cerasmart | p-Value | Mean | Ceramill COMP | Cerasmart | p-Value |
| Before | ||||||||
| Mean | 46.6 | 45.4 | 47.7 | 0.3 | 48.2 | 47.9 | 48.4 | .7 |
| SD | 6.4 | 5.7 | 6.9 | 7.1 | 6.6 | 7.8 | ||
| After | ||||||||
| Mean | 43.4 | 40.8 | 45.9 | .002*** | 45.7 | 45.4 | 46.1 | .06 |
| SD | 5.5 | 6.1 | 3.2 | 4.6 | 5.7 | 3.2 | ||
| p-Value | .004* | .002** | 0.3 | .04*a | 0.2 | 0.08 | ||
*Significant difference between the two bonding protocols. **Significant difference between each bonding protocol before and after aging for each material approach. ***Significant difference between the two endocrown materials.