Table 1 Caries status of the approximal surface adjacent to the composite restoration and split-mouth control surface at follow-up
Surface | Adjacent to composite N (%) | Control N (%) |
|---|---|---|
Sound | 79 (41) | 129 (67)* |
Caries grade 1 | 31 (16) | 16 (8) |
Caries grade 2 | 42 (22) | 26 (14) |
Caries grade 3 | 5 (3) | 13 (7) |
Caries grade 4 | 2 (1) | 3 (1) |
Caries grade 5 | 1 (0) | 0 |
Restored | 33 (17) | 6 (3)* |
Total | 193 (100) | 193 (100) |