Table 2 Comparison of clinical and radiographically adjusted dental caries estimates (brackets contain standard deviation unless otherwise indicated)
Clinical examination only | Clinical examination and radiographs | Percent difference | p value | |
|---|---|---|---|---|
Whole-mouth estimates | ||||
Prevalencea | 316 (63.1%) | 374 (74.6%) | 18.2 | < 0.001 |
Severity | ||||
Mean dmft | 2.4 (2.8) 0–16 | 3.3 (3.0) 0–16 | 37.5 | < 0.001 |
Mean dt | 1.6 (2.2) 0–13 | 2.6 (2.5) 0–13 | 62.5 | < 0.001 |
Mean mt | 0.0 (0.3) 0–5 | 0.0 (0.3) 0–5 | 0.0 | > 0.009 |
Mean ft | 0.8 (1.4) 0–7 | 0.7 (1.2) 0–6 | −12.5 | < 0.001 |
Mean dmfs | 4.6 (6.2) 0–44 | 5.8 (6.5) 0–45 | 26.1 | < 0.001 |
Mean ds | 2.1 (3.3) 0–26 | 3.3 (3.8) 0–30 | 57.1 | < 0.001 |
Mean ms | 0.1 (0.3) 0–5 | 0.1 (0.3) 0–5 | 0.0 | > 0.009 |
Mean fs | 2.5 (5.0) 0–44 | 2.5 (5.0) 0–44 | 0.0 | > 0.009 |
Mesial and distal surfaces of molars only | ||||
Prevalenceb | 266 (53.1%) | 343 (68.45) | 28.8 | < 0.001 |
Severity | ||||
Mean dfs | 2.0 (2.7) 0–17 | 2.9 (3.1) 0–17 | 45.0 | < 0.001 |
Mean ds | 1.0 (1.6) 0–11 | 1.9 (2.1) 0–15 | 90.0 | < 0.001 |
Mean fs | 1.0 (2.1) 0–17 | 1.0 (2.1) 0–17 | 0.0 | > 0.009 |
Occlusal surfaces of molars only | ||||
Prevalenceb | 250 (49.9%) | 283 (56.5%) | 13.2 | < 0.001 |
Severity | ||||
Mean dfs | 1.6 (2.2) 0–8 | 1.8 (2.2) 0–8 | 12.5 | < 0.001 |
Mean ds | 0.6 (1.3) 0–8 | 0.8 (1.4) 0–8 | 33.3 | < 0.001 |
Mean fs | 1.0 (1.7) 0–8 | 1.0 (1.7) 0–8 | 0.0 | > 0.009 |