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. 2021 Mar 24;13(4):1052. doi: 10.3390/nu13041052

Table 2.

Comparison of prevalence of dental fluorosis between the intervention and control.

Dental Fluorosis Category ¥ IG
(n = 39)
CG
(n = 39)
Total
(n = 78)
p-Value #
N (%) N (%) N (%)
Normal 11 (28.2) 14 (35.9) 25 (32.1) 0.628
Questionable 3 (7.7) 5 (12.8) 8 (10.3) 0.712
Very mild 4 (10.3) 3 (7.7) 7 (9.0) 0.999
Mild 5 (12.8) 2 (5.1) 7 (9.0) 0.431
Moderate 12 (30.8) 11 (28.2) 23 (29.5) 0.999
Severe 4 (10.3) 4 (10.3) 8 (10.3) 0.999

IG = Intervention Group; CG = Control Group; ¥ Assessment was based on criteria of Dean’s index (Dean, 1934). # p-values were generated by chi-square test using OpenEpi Version 3.03.