From: Tomographic assessment of palatal suture opening pattern and pterygopalatine suture disarticulation in the axial plane after midfacial skeletal expansion
T0
T1
Change after treatment
P value
Number
Mean
SD
Males
20
0.00
0.52°
0.33
< 0.01*
Females
30
0.60°
0.32
< 0.0001*
Total
50
0.57°