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Biological and technical complications in both groups.
| Patient Group | ||
|---|---|---|
| Bruxer | Non-Bruxer | |
| Biological | ||
| Secondary caries | 2 | 3 |
| Implant failure | 2 | 1 |
| Fractured tooth | 3 | 0 |
| Technical | ||
| Porcelain chipping | 10 | 3 |
| Loosening of a screw | 2 | 4 |
| Zirconia fracture (minor) | 1 | 2 |
| Loss of retention | 1 | 1 |
| Open proximal contact | 11 | 13 |
| Total number of complications | 31 | 27 |
