Table 1.
Means (SD) of %KHN for the different depths and results of Tukey’s test.
| Groups | DEPTH | ANOVA• | |||||
|---|---|---|---|---|---|---|---|
| Surface | 20 µm | 30 µm | 40 µm | 50 µm | 60 µm | ||
| Control | 48.24 (8.35) Aa | 54.40 (12.03) Aa | 77.49 (11.68) Ab | 89.44 (8.36) Ac | 95.74 (14.63) Ac | 99.97 (9.68) Ac | 0.0001* |
| 10% S-PRG | 84.34 (13.83) BCa | 94.71 (15.13) Bab | 94.85 (12.07) Bab | 97.72 (6.89) Ab | 97.05 (7.35) Ab | 99.20 (10.58) Ab | 0.0093* |
| 20% S-PRG | 85.19 (13.19) BCa | 95.57 (13.57) Bab | 97.15 (6.59) Bb | 98.11 (10.94) Ab | 100.46 (7.32) Ab | 100.04 (11.99) Ab | 0.0027* |
| 30% S-PRG | 88.68 (16.58) BCa | 94.22 (28.08) Ba | 94.47 (16.62) Ba | 96.38 (18.53) Aa | 99.22 (8.14) Aa | 100.10 (9.34) Aa | 0.5793 |
| 40% S-PRG | 97.29 (24.46) Ca | 94.60 (20.10) Ba | 95.11 (9.03) Ba | 97.99 (8.82) Aa | 99.75 (13.34) Aa | 101.12 (14.00) Aa | 0.8612 |
| FLUORIDE | 79.57 (18.11) Ba | 92.81 (22.38) Bab | 98.82 (23.68) Bb | 100.73 (10.37) Ab | 100.34 (6.48) Ab | 101.14 (5.45) Ab | 0.0023* |
| ANOVA** | 0.0001* | 0.0001* | 0.0014* | 0.1362 | 0.7392 | 0.9956 | |
**Results of ANOVA for the comparison among the groups for each depth; •Results of ANOVA among different depths for each group; *Significant differences. Different capital letters in the columns indicate differences among the groups for each depth. Different lower-case letters indicate differences among the depths for each group.