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Table 1 Mineral loss (Vol. % × μm) and lesion depth (μm) of dentin.

From: Effect of a 5000 ppm fluoride toothpaste and a 250 ppm fluoride mouth rinse on the demineralisation of dentin surfaces

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