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Failure modes classification
| Type I | Type II | Type III | Type IV | Type V | ||||
|---|---|---|---|---|---|---|---|---|
| Adhesive failure | Cohesive failure |
Cohesive-Adhesive failure |
Complex fracture above the CEJ |
Total % |
Complex fracture below the CEJ |
Total % | ||
| Non-catastrophic/repairable/ favorable |
Catastrophic/ unrepairable / unfavorable |
|||||||
| VitaEnamic | 0 | 0 | 3 | 4 | 70% | 3 | 30% | |
| Nacera hybrid | 0 | 0 | 3 | 3 | 60% | 4 | 40% | |
| Zirconia | 0 | 0 | 3 | 1 | 40% | 6 | 60% | |
| PEKK | 0 | 0 | 2 | 1 | 30% | 7 | 70% | |
