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 0–2a
ICDAS 3b
ICDAS 4–6c
Filled
Surfaces excluded
n (%)
n (%)
n (%)
n (%)
n (%)
Maxilla
1st premolar
Distal
662 (91.2)
10 (1.4)
2 (0.3)
1 (0.1)
51 (7.0)
2nd premolar
Mesial
687 (94.6)
6 (0.8)
0 (0.0)
0 (0.0)
33 (4.5)
Distal
678 (93.4)
0 (0.0)
0 (0.0)
1 (0.1)
47 (6.5)
1st molar
Occlusal
575 (79.2)
46 (6.3)
30 (4.1)
69 (9.5)
6 (0.8)
Mesial
617 (85.0)
59 (8.1)
9 (1.2)
15 (2.1)
26 (3.6)
Distal
691 (95.2)
3 (0.4)
0 (0.0)
5 (0.7)
27 (3.7)
2nd molar
Occlusal
590 (81.2)
57 (7.9)
32 (4.4)
13 (1.8)
34 (4.7)
Mesial
689 (94.9)
2 (0.3)
1 (0.1)
0 (0.0)
34 (4.7)
Mandible
1st premolar
Distal
710 (97.8)
0 (0.0)
0 (0.0)
0 (0.0)
16 (2.2)
2nd premolar
Mesial
678 (93.3)
0 (0.0)
0 (0.0)
1 (0.1)
47 (6.5)
Distal
670 (92.2)
8 (1.1)
1 (0.1)
0 (0.0)
47 (6.5)
1st molar
Occlusal
507 (69.8)
68 (9.4)
48 (6.6)
97 (13.4)
6 (0.8)
Mesial
636 (87.6)
55 (7.6)
10 (1.4)
14 (1.9)
11 (1.5)
Distal
705 (97.1)
1 (0.1)
1 (0.1)
7 (1.0)
12 (1.7)
2nd molar
Occlusal
545 (75.1)
67 (9.2)
39 (5.4)
52 (7.2)
23 (3.2)
Mesial
690 (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.