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Table 4 Frequencies of common causes of failure of ceramic restorations according to tooth position (anterior, premolar, and molar)

From: Evaluation of the clinical success of four different types of lithium disilicate ceramic restorations: a retrospective study

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)  
Margin adaptation 18 (3.58) 16 (3.18) 27 (5.37) 61 (12.13)  
Color match 16 (3.18) 10 (1.99) 1 (0.199) 27 (5.37)  
Endodontic intervention 8 (1.59) 3 (0.596) 0 11 (2.19)  
Periodontal disease 1 (0.199) 3 (0.596) 4 (0.795) 8 (1.59)  
Secondary caries 7 (1.39) 4 (0.795) 8 (1.59) 19 (3.78)  
Total 186 (36.98) 134 (26.64) 183 (36.38) 503 (100)