Variation of microhardness with time of toothpaste appli-cation in group (Control Group)
mean ± SD | SE | Min | Max | p-value | |
---|---|---|---|---|---|
Base | 338.24 ± 10.85 | 3.43 | 323.44 | 357.84 | |
After 4 weeks | 339.03 ± 14.89 | 4.71 | 315.22 | 361.68 | 0.7989 |
After 8 weeks | 342.50 ± 15.48 | 4.89 | 321.20 | 364.82 | 0.3329 |
p-value by Wilcoxon test.