Table 2. The intergroup (between study groups) comparison of microhardness at two different treatment incidences.
*p-value < .05 denotes statistical significance using one-way analysis of variance (ANOVA), df denotes difference.
| Treatment | Sum of Squares | df | Mean Square | F value | p-value |
| First treatment | 250.43 | 3 | 83.48 | 16.92 | 0.001* |
| Third treatment | 55.24 | 3 | 18.41 | 1.86 | 0.145 |