Variables Measured Calculated P
Mean SD Mean SD
SIW 30.52 1.86 - - -
Arch widths
Maxilla
4-4 35.66 2.36 38.15 2.32 0.000
6-6 46.07 2.67 47.71 2.88 0.000
Mandible
4-4 34.51 2.57 38.15 2.32 0.000
6-6 46.78 3.15 47.71 2.88 0.031