Research Article

The Additional Information of Bitewing Radiographs in the Detection of Established or Severe Dentinal Decay in 14-Year Olds: A Cross-Sectional Study in Low-Caries Population

Table 1

Number and percentage of surfaces with different stages of decay in clinical examination by tooth and surface.

ICDAS 0–2aICDAS 3bICDAS 4–6cFilledSurfaces excluded
n (%)n (%)n (%)n (%)n (%)

Maxilla
1st premolar
 Distal662 (91.2)10 (1.4)2 (0.3)1 (0.1)51 (7.0)
2nd premolar
 Mesial687 (94.6)6 (0.8)0 (0.0)0 (0.0)33 (4.5)
 Distal678 (93.4)0 (0.0)0 (0.0)1 (0.1)47 (6.5)
1st molar
 Occlusal575 (79.2)46 (6.3)30 (4.1)69 (9.5)6 (0.8)
 Mesial617 (85.0)59 (8.1)9 (1.2)15 (2.1)26 (3.6)
 Distal691 (95.2)3 (0.4)0 (0.0)5 (0.7)27 (3.7)
2nd molar
 Occlusal590 (81.2)57 (7.9)32 (4.4)13 (1.8)34 (4.7)
 Mesial689 (94.9)2 (0.3)1 (0.1)0 (0.0)34 (4.7)
Mandible
1st premolar
 Distal710 (97.8)0 (0.0)0 (0.0)0 (0.0)16 (2.2)
2nd premolar
 Mesial678 (93.3)0 (0.0)0 (0.0)1 (0.1)47 (6.5)
 Distal670 (92.2) 8 (1.1)1 (0.1)0 (0.0)47 (6.5)
1st molar
 Occlusal507 (69.8)68 (9.4)48 (6.6)97 (13.4)6 (0.8)
 Mesial636 (87.6)55 (7.6)10 (1.4)14 (1.9)11 (1.5)
 Distal705 (97.1)1 (0.1)1 (0.1)7 (1.0)12 (1.7)
2nd molar
 Occlusal545 (75.1)67 (9.2)39 (5.4)52 (7.2)23 (3.2)
 Mesial690 (95.0)12 (1.7)0 (0.0)2 (0.3)22 (3.0)

Sum of surfaces in each row = 726.
Total number of surfaces analyzed = 11 616.
WHO 0, 1.
Established enamel lesion with a clinically detectable loss of substance.
Established and severe dentinal decay calling for filling.