Complication | ≤ 2 years | 2–5 years | > 5 year | Total |
---|
Veneer chipping | 17 | 19 | 15 | 52 |
Abutment loosening | 0 | 2 | 5 | 7 |
Abutment fracture | 0 | 1 | 0 | 1 |
Crown loosening/shedding | 6 | 8 | 3 | 17 |
- Complication distribution by time is shown in Table 3. Totally 78 of 451 prostheses suffered from prosthetic complications. Two single IACs suffered from veneer chipping within 3 months, and these cases are counted as early restoration failures. Specific statistics are shown as above