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Table 2 Lesion depth values (µm) of all studied groups and percent difference between each test and its control subgroup

From: Preventive potential of nano silver fluoride versus sodium fluoride varnish on enamel caries like lesions in primary teeth: in vitro study

 

NSF (subgroup Ia)

(n = 24)

FV (subgroup IIa)

(n = 24)

Ia (test)

n = 12)

Ib (control)

(n = 12)

IIa (test)

n = 12

IIb (control)

(n = 12)

Mean ± SD

244.03 ± 79.73

384.30 ± 110.91

262.73 ± 99.65

416.96 ± 107.42

Paired t (P value)

− 8.56 (< 0.001*)

− 6.65 (< 0.001*)

Independent t test (P value)

− 0.507 (0.61)

Percent Reduction

    

 Mean ± SD

36.36 ± 9.54

37.30 ± 16.67

 Independent t test (P value)

0.169

(0.86)

  1. NSF Nano silver fluoride, FV Fluoride varnish
  2. *Statistically significant at P value ≤ 0.05