Table 1.
Comparison of various groups at each treatment stage by one-way ANOVA
| SMH | Groups | Mean | SD | P | SMH | Mean | SD | P | SMH | Mean | SD | P |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| At baseline | 1 | 378.00 | 18.30 | 0.632 | After | 308.17 | 17.77 | 0.539 | After | 375.75 | 18.93 | <0.001* |
| 2 | 373.83 | 21.29 | DMZ | 304.25 | 19.23 | RML | 367.33 | 20.30 | ||||
| 3 | 372.42 | 20.93 | 302.58 | 18.89 | 369.50 | 20.61 | ||||||
| 4 | 383.92 | 17.88 | 315.75 | 17.34 | 348.83 | 17.72 | ||||||
| 5 | 370.67 | 13.78 | 305.67 | 11.06 | 331.33 | 14.65 | ||||||
| 6 | 372.50 | 18.10 | 305.00 | 17.79 | 323.67 | 22.02 | ||||||
| Total | 375.95 | 18.80 | 307.22 | 17.59 | 357.78 | 25.66 |
*Significant difference P<0.05. SD: Standard deviation; SMH: Surface microhardness; DMZ: Demineralization; RML: Remineralization