Table 1: Rotational freedom (degree) of each group.

Groups Mean Std. Deviation Min. Max.
Straight Castable 66.1 73.48 0 181
Straight Cast-to 150.5 38.32 78 213
Angled Castable 84 92.86 0 222
Angled Cast-to 155.9 31.58 101 220