Angular measurements | Â | Before expansion | After expansion | Treatment change | Â | |||
---|---|---|---|---|---|---|---|---|
Unit | Mean | SD | Mean | SD | Mean | SD | P value | |
Skeletal angular measurements | ||||||||
 Right frontozygomatic angle | ° | 83.47 | 3.60 | 86.29 | 3.47 | 2.82 | 1.26 | < 0.0001* |
 Left frontozygomatic angle | ° | 83.25 | 3.49 | 86.19 | 3.88 | 2.93 | 1.49 | < 0.0001* |
Alveolar bone angular measurements | ||||||||
 Right frontoalveolar angle | ° | 70.20 | 2.51 | 73.03 | 2.38 | 2.83 | 1.27 | < 0.0001* |
 Left frontoalveolar angle | ° | 70.44 | 2.85 | 73.39 | 3.27 | 2.94 | 1.48 | < 0.0001* |
Dental angular measurements | ||||||||
 Right frontodental angle | ° | 69.37 | 2.32 | 72.29 | 2.09 | 2.92 | 1.29 | < 0.0001* |
 Left frontodental angle | ° | 69.92 | 2.19 | 72.99 | 2.54 | 3.07 | 1.48 | < 0.0001* |