## 3 Results
### Statistical Analyses  
Through repeated-measures ANOVA and testing the assumption of sphericity, we analyzed data from our study, where the requirement was to assess the effect of the passage of time after laser treatment on the control and study groups. The test results shown in the Within-Groups Effects table show us where there was an overall significant difference between the means at the different time points. The test results shown in the Between-Groups Effects table show us the differences in conditions that occur between the groups of subjects. In Table 2, significant changes are observed in the local pain scores within the groups. Significant changes in local pain scores were observed only with the passage of time (day). No changes were observed related to the rest of the parameters. \begin{table}
\begin{tabular}{c c c c c c c} \hline \hline  & \multicolumn{4}{c}{**Measure: Day**} & & & \\ \multicolumn{1}{c}{**Source**} & \multicolumn{2}{c}{**Type III Sum**} & & & & \\ \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & **of Squares** & & & & \\ \hline \multirow{9}{*}{Day} & Sphericity assumed & 27.525 & 3 & 9.175 & 7.783 & **0.000** \\  & Greenhouse–Geisser & 27.525 & 2.055 & 13.392 & 7.783 & **0.001** \\  & Huynh–Feldt & 27.525 & 2.288 & 12.029 & 7.783 & **0.000** \\  & Lower-bound & 27.525 & 1.000 & 27.525 & 7.783 & **0.006** \\  & Sphericity assumed & 3.167 & 3 & 1.056 & 0.895 & 0.444 \\  & Greenhouse–Geisser & 3.167 & 2.055 & 1.541 & 0.895 & 0.413 \\  & Huynh–Feldt & 3.167 & 2.288 & 1.384 & 0.895 & 0.422 \\  & Lower-bound & 3.167 & 1.000 & 3.167 & 0.895 & 0.347 \\  & Sphericity assumed & 3.858 & 3 & 1.286 & 1.091 & 0.353 \\  & Greenhouse–Geisser & 3.858 & 2.055 & 1.877 & 1.091 & 0.339 \\  & Huynh–Feldt & 3.858 & 2.288 & 1.686 & 1.091 & 0.344 \\  & Lower-bound & 3.858 & 1.000 & 3.858 & 1.091 & 0.299 \\  & Sphericity assumed & 9.513 & 3 & 3.171 & 2.690 & 0.047 \\ Day \(\times\) Environmental Provenance & Greenhouse–Geisser & 9.513 & 2.055 & 4.628 & 2.690 & 0.069 \\  & Huynh–Feldt & 9.513 & 2.288 & 4.157 & 2.690 & 0.063 \\  & Lower-bound & 9.513 & 1.000 & 9.513 & 2.690 & 0.104 \\  & Sphericity assumed & 6.211 & 3 & 2.070 & 1.756 & 0.156 \\ Environmental Provenance & Greenhouse–Geisser & 6.211 & 2.055 & 3.022 & 1.756 & 0.175 \\  & Huynh–Feldt & 6.211 & 2.288 & 2.714 & 1.756 & 0.170 \\  & Lower-bound & 6.211 & 1.000 & 6.211 & 1.756 & 0.188 \\  & Sphericity assumed & 3.148 & 3 & 1.049 & 0.890 & 0.447 \\ Day \(\times\) Sex \(\times\) Environmental Provenance & Greenhouse–Geisser & 3.148 & 2.055 & 1.532 & 0.890 & 0.415 \\  & Huynh–Feldt & 3.148 & 2.288 & 1.376 & 0.890 & 0.424 \\  & Lower-bound & 3.148 & 1.000 & 3.148 & 0.890 & 0.348 \\  & Sphericity assumed & 0.654 & 3 & 0.218 & 0.185 & 0.907 \\ Day \(\times\) Sex & Greenhouse–Geisser & 0.654 & 2.055 & 0.318 & 0.185 & 0.837 \\  & Huynh–Feldt & 0.654 & 2.288 & 0.286 & 0.185 & 0.859 \\  & Lower-bound & 0.654 & 1.000 & 0.654 & 0.185 & 0.668 \\  & Sphericity assumed & 2.139 & 3 & 0.713 & 0.605 & 0.612 \\ Day \(\times\) Environmental Provenance & Greenhouse–Geisser & 2.139 & 2.055 & 1.041 & 0.605 & 0.552 \\  & Huynh–Feldt & 2.139 & 2.288 & 0.935 & 0.605 & 0.569 \\  & Lower-bound & 2.139 & 1.000 & 2.139 & 0.605 & 0.439 \\  & Sphericity assumed & 4.385 & 3 & 1.462 & 1.240 & 0.296 \\ Day \(\times\) Sex \(\times\) Environmental Provenance & Greenhouse–Geisser & 4.385 & 2.055 & 2.133 & 1.240 & 0.292 \\ Provenance & Huynh–Feldt & 4.385 & 2.288 & 1.916 & 1.240 & 0.294 \\  & Lower-bound & 4.385 & 1.000 & 4.385 & 1.240 & 0.268 \\  & Sphericity assumed & 321.836 & 273 & 1.179 & & \\ Error (Day) & Greenhouse–Geisser & 321.836 & 187.034 & 1.721 & & \\  & Huynh–Feldt & 321.836 & 208.235 & 1.546 & & \\  & Lower-bound & 321.836 & 91.000 & 3.537 & & \\ \hline \hline \end{tabular}
\end{table} 
Table 2: Within-Group Effects (repeated measures or intra-group effects).