Table 3.
Clinical and radiographic success according to coronal restoration parameters.
| Variables | n | Clinical and radiographic results | p ∗ | |||
|---|---|---|---|---|---|---|
| Success | Failure | |||||
| n | % | n | % | |||
| Occurrence | ||||||
| Present | 129 | 97 | 75.2 | 32 | 24.8 | 0.246 |
| Absent | 25 | 16 | 64.0 | 9 | 36.0 | |
| Quality of the restorations | ||||||
| Adequate | 48 | 37 | 77.1 | 11 | 22.9 | 0.702 |
| Inadequate | 81 | 60 | 74.1 | 21 | 25.9 | |
| Type | ||||||
| Permanent | 101 | 75 | 74.3 | 26 | 25.7 | 0.640 |
| Temporary | 28 | 22 | 78.6 | 6 | 21.4 | |
| Number of surfaces | ||||||
| ≤2 surfaces | 50 | 38 | 76.0 | 12 | 24.0 | 0.866 |
| >2 surfaces | 79 | 59 | 74.7 | 20 | 25.3 | |
| Extension | ||||||
| Intracoronal | 78 | 57 | 73.1 | 21 | 26.9 | 0.488 |
| Onlay | 25 | 18 | 72.0 | 7 | 28.0 | |
| Total crown | 26 | 22 | 84.6 | 4 | 15.4 | |
| Intra-radicular post | ||||||
| Present | 23 | 19 | 82.6 | 4 | 17.4 | 0.320 |
| Absent | 131 | 94 | 71.8 | 37 | 28.2 | |
| Void between post and gutta-percha | ||||||
| Present | 15 | 13 | 86.7 | 2 | 13.3 | 0.589 |
| Absent | 8 | 6 | 75.0 | 2 | 25.0 | |
| Remaining gutta-percha | ||||||
| ≥4 mm | 18 | 16 | 88.9 | 2 | 11.1 | 0.194 |
| <4 mm | 5 | 3 | 60.0 | 2 | 40.0 | |
∗Pearson's chi-square test and Fisher's exact test.