Table 3.
Eight-Year Survival Table for Endodontically Treated Teeth
| Variable | 8-Year Survival Based on Life Table | P-value* |
|---|---|---|
| Type of restoration after RCT | ||
| Full coverage cast restoration (crown) | 76 | < 0.000 |
| Buildup using composite | 83 | |
| Gender | ||
| Male | 78 | < 0.000 |
| Female | 73 | |
| Dental arch | ||
| Maxillary | 68 | < 0.000 |
| Mandibular | 75 | |
| Condition of opposing teeth | ||
| Natural dentition | 72.8 | < 0.000 |
| Fixed Prosthesis | 64.3 | |
| Edentulous/None | 62 | |
| Visits | ||
| Single | 73.5 | < 0.000 |
| Multiple | 73.6 | |
| Post | ||
| Yes | 78.6 | < 0.000 |
| No | 74.3 | |
| Year of dental student | ||
| 4th | 75 | <0.000 |
| 5th | 72.6 | |
| Time of coronal restoration after RCT, days | ||
| 0–14 | 51 | < 0.000 |
| 15–59 | 74.9 | |
| 60+ | 96 |
Note: *P = 0.05 (Gehan–Wilcoxon test).