Methods

n

Mineral loss (Vol.% × μm)

Lesion depth (μm)


 
Range

Mean

SD

Range

Mean

SD


Control

15

79.00–483.90

328.56 ^{a}

137.25

6.70–67.30

19.00 ^{a}

14.24

250 ppm F

15

151.50–258.10

218.64 ^{b}

28.40

14.40–68.70

20.80 ^{b}

18.10

5000 ppm F

15

150.80–167.90

60.70 ^{a, b}

76.35

29.30–20.10

5.32 ^{a, b}

11.56

 The dentin specimens were exposed for 3 weeks to demineralization and treated with fluoride.
 Values with the same superscript (^{a, b}) within columns revealed a statistically significant difference (p < 0.05).
 SD = standard deviation; F = fluoride