Table 4 Frequencies of common causes of failure of ceramic restorations according to tooth position (anterior, premolar, and molar)
Causes of failure | Tooth position | Total | P value | ||
|---|---|---|---|---|---|
Anterior | Premolar | Molar | |||
Fracture | 95 (18.89) | 71 (14.12) | 142 (28.23) | 308 (61.23) | 0.000 |
Debonding | 41 (8.15) | 27 (5.37) | 1 (0.199) | 69 (13.72) | Â |
Margin adaptation | 18 (3.58) | 16 (3.18) | 27 (5.37) | 61 (12.13) | Â |
Color match | 16 (3.18) | 10 (1.99) | 1 (0.199) | 27 (5.37) | Â |
Endodontic intervention | 8 (1.59) | 3 (0.596) | 0 | 11 (2.19) | Â |
Periodontal disease | 1 (0.199) | 3 (0.596) | 4 (0.795) | 8 (1.59) | Â |
Secondary caries | 7 (1.39) | 4 (0.795) | 8 (1.59) | 19 (3.78) | Â |
Total | 186 (36.98) | 134 (26.64) | 183 (36.38) | 503 (100) | Â |