Pink esthetic score changes within each group (intra-group comparison)
PES
In the study group, there was a statistically significant increase in PES after six months (P-value = 0.039, effect size = 0.596). In the control group, there was a statistically significant decrease in PES after six months (P-value = 0.035, effect size = 0.609). Table 
Descriptive statistics and results of Wilcoxon signed-rank test for the changes in PES within each group*: Statistically significant (p < 0.05)NS: Statistically not significant (p > 0.05)
Box plot representing median and range values for Pink esthetic score in the two groups (Circle represents outlier)