Skip to main content

Table 2 Comparison of clinical and radiographically adjusted dental caries estimates (brackets contain standard deviation unless otherwise indicated)

From: The effect of bitewing radiography on estimates of dental caries experience among children differs according to their disease experience

  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
  1. Shown as mean (SD) with range unless otherwise specified
  2. aOne or more dmft. bOne or more dfs