Group | VHN1 | VHN2 | %VHN |
---|
No treatment (control) | 350.00 ± 38.64A
| 92.00 ± 24.29B
| −73.40d
|
MI Varnish | 353.30 ± 30.25A
| 279.01 ± 27.13B
| −20.80a
|
Clinpro White | 376.40 ± 36.74A
| 245.20 ± 28.91B
| −34.60b
|
Duraphat | 387.20 ± 31.12A
| 163.00 ± 27.92B
| −57.80c
|
- Different uppercase letters indicate significant difference between baseline and post- pH cycling surface microhardness values of each varnish (paired-T test, P < 0.05, n = 10 incisors in each group). Different lowercase letters indicate significant differences among in the %VHN between groups (one-way ANOVA and Tukey’s test, P < 0.05, n = 10 incisors in each group)