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Table 6 Enamel fluorosis/defect experience by water fluoridation status, 14–15 year olds

From: Dental caries in 14- and 15-year-olds in New South Wales, Australia

Enamel fluorosis/defect category*

%

n

95% CI

Fluoridated

   

Normal (TF 0)

83.5

675

80.0-87.0

Barely detectable/ perceptible (TF 1, 2)

16.3

124

12.8-19.7

Mild (TF 3)

0.2

3

0.0-0.3

Moderate (TF 4, 5)

0.1

1

0.0-0.3

Non-fluoridated

   

Normal (TF 0)

88.5

173

83.4-93.6

Barely detectable/ perceptible (TF 1, 2)

10.0

24

6.4-13.7

Mild (TF 3)

1.4

2

0.0-3.6

Moderate (TF 4, 5)

0

0

-

NSW

   

Normal (TF 0)

84.1

848

81.0-87.3

Barely detectable/ perceptible (TF 1, 2)

15.4

148

12.3-18.5

Mild (TF 3)

0.3

5

0.0-0.7

Moderate (TF 4, 5)

0.1

1

0.0-0.3

  1. *TF values refer to the Thylstrup and Fejerskov Index.