Table 2 Mean (Standard deviation) values of mineral loss (vol%µm) and lesion depth (µm) in the two study groups before and after treatment and their differences (with confidence intervals).

From: Comparative efficacy of a hydroxyapatite and a fluoride toothpaste for prevention and remineralization of dental caries in children

Treatment

Before treatment

After treatment

Difference (95% CI)

P valuea

 

ΔZ [Mean (SD)]

  

Karex (10%HAP)

2357.5 (454.63)

 1013.5 (273.59)

1344 (1119.93–1568.06)

<0.0001

Elmex (500 ppm)

2378.5 (593.16)

 1009 (392.48)

1369.5 (1117.40–1621.59)

<0.0001

 

LD [Mean (SD)]

  

Karex (10%HAP)

92.89 (17.15)

67.07 (11.79)

25.82 (19.79–31.84)

<0.0001

Elmex (500 ppm)

91.91 (17.94)

65.46 (13.64)

26.44 (21.15–31.74)

<0.0001

  1. aPaired t-test (n = 30, α = 0.05)
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