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Table 3 Caries of the first permanent molar and use of pit and fissure sealant

From: Oral health status among visually impaired schoolchildren in Northeast China

Variables

Gender

Age (years)

Status of visual impairment

Total

M

F

6–12

13–20

Low vision

Blind

 

Numbers

70

33

25

78

37

66

103

Number of children with the first permanent molar

280

132

100

312

148

264

412

Number of children with caries of the first permanent molar

33

16

13

36

16

33

49

Prevalence of caries of the first permanent molar (%)

47.14

48.48

52.00

46.15

43.24

50.00

47.57

Number of caries of the first permanent molar

54

29

23

61

22

62

84

Mean number of caries of the first permanent molar

0.79 ± 0.98

0.88 ± 1.05

0.92 ± 1.04

0.78 ± 0.99

0.59 ± 0.76*

0.94 ± 1.09

0.82 ± 0.99

Number of children with pit and fissure sealant

1

0

0

1

0

1

1

  1. *P < 0.05, comparing with the blind group