Table 2.
The reasons for FDPs failures in bruxers and nonbruxers.
| Reasons for FDPs failures | Bruxers | Nonbruxers | ||
|---|---|---|---|---|
| Frequency | Percentage | Frequency | Percentage | |
| Loss of retention | 5 | 25.0 | 4 | 25.0 |
| Tooth loss | 5 | 25.0 | 4 | 25.0 |
| Tooth fracture (root or crown) | 2 | 10.0 | 1 | 6.3 |
| Major chipping | 2 | 10.0 | 0 | 0 |
| Periapical destruction (radiolucency) | 2 | 10.0 | 1 | 6.3 |
| Replace old construction by new one due to change situation | 2 | 10.0 | 1 | 6.3 |
| Loss of tooth vitality | 1 | 5.0 | 2 | 12.5 |
| Mobility | 1 | 5.0 | 0 | 0 |
| Esthetic dysfunction | 0 | 0 | 1 | 6.3 |
| Allergy | 0 | 0 | 1 | 6.3 |
| Total | 20 | 100.0 | 16 | 100.0 |
FDPs, fixed dental prostheses.