Table 2. Mean changes in the width of the mandibular angle area and volume of the mandibular angle area 6 months after injection in groups I and II.

SD, Standard deviation; NS, non-significant.

^*p<0.05, ^**p<0.001; comparison of the change in values before and 6 months after injection(s) in each group (Wilcoxon signed-rank sum test).

^†p<0.05, ^††p<0.001; intergroup comparison of the change in values before and 6 months after injection (Wilcoxon rank sum test).