Variable | Paired differences | t | P value | ||||||
---|---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | SEM | |||||
SNA | Pre | 82.78 | 3.00 | − 1.12 | 2.50 | 0.72 | − 1.55 | 0.14986 | P > 0.05 NS |
Post | 81.67 | 3.42 | |||||||
SNB | Pre | 76.54 | 2.79 | − 0.79 | 2.39 | 0.69 | − 1.15 | 0.27516 | P > 0.05 NS |
Post | 75.75 | 3.02 | |||||||
ANB | Pre | 6.20 | 1.47 | − 0.37 | 0.79 | 0.23 | − 1.62 | 0.13415 | P > 0.05 NS |
Post | 5.83 | 1.11 | |||||||
MMP | Pre | 29.85 | 3.74 | 0.32 | 2.83 | 0.82 | 0.39 | 0.70541 | P > 0.05 NS |
Post | 30.17 | 3.49 | |||||||
MP/SN | Pre | 38.68 | 4.67 | 0.37 | 2.13 | 0.62 | 0.60 | 0.56311 | P > 0.05 NS |
Post | 39.04 | 4.50 | |||||||
Y axis angle | Pre | 56.85 | 3.35 | 2.15 | 1.32 | 0.38 | 5.62 | 0.00015 | P < 0.001 HS |
Post | 59.00 | 2.98 | |||||||
Lower facial height | Pre | 62.53 | 3.60 | 2.13 | 2.20 | 0.64 | 3.36 | 0.00637 | P < 0.01 HS |
Post | 64.67 | 4.64 | |||||||
Effective maxillary length | Pre | 84.13 | 4.57 | 0.70 | 3.00 | 0.87 | 0.81 | 0.43606 | P > 0.05 NS |
Post | 84.83 | 4.32 | |||||||
Effective mandibular length | Pre | 106.37 | 5.26 | 1.97 | 4.31 | 1.24 | 1.58 | 0.14184 | P > 0.05 NS |
Post | 108.33 | 5.65 | |||||||
SN/occlusal plane | Pre | 16.54 | 3.52 | 4.12 | 2.18 | 0.63 | 6.55 | 0.00004 | P < 0.001 HS |
Post | 20.66 | 4.11 | |||||||
U1 vertical position | Pre | 20.73 | 2.89 | 1.06 | 2.31 | 0.67 | 1.59 | 0.14071 | P > 0.05 NS |
Post | 21.79 | 1.95 | |||||||
U1 AP position | Pre | 13.18 | 3.00 | − 4.35 | 2.99 | 0.86 | − 5.04 | 0.00038 | P < 0.001 HS |
Post | 8.83 | 2.48 | |||||||
U1 inclination | Pre | 115.94 | 2.04 | − 8.57 | 6.45 | 1.86 | − 4.60 | 0.00076 | P < 0.001 HS |
Post | 107.38 | 5.48 | |||||||
U6 AP position | Pre | 44.17 | 6.10 | − 3.29 | 6.38 | 1.84 | − 1.79 | 0.10161 | P > 0.05 NS |
Post | 40.88 | 4.86 | |||||||
U6 vertical position | Pre | 15.13 | 2.11 | 0.58 | 0.91 | 0.26 | 2.22 | 0.04819 | P < 0.05 S |
Post | 15.71 | 2.08 | |||||||
L1 inclination | Pre | 99.88 | 4.80 | 4.45 | 1.47 | 0.42 | 10.52 | 0.00000 | P < 0.001 HS |
Post | 104.33 | 4.12 | |||||||
L1 AP position | Pre | 4.78 | 1.19 | 1.03 | 1.63 | 0.47 | 2.18 | 0.05173 | P ≈ 0.05 Almost S |
Post | 5.81 | 1.59 | |||||||
L1 vertical position | Pre | 31.68 | 2.36 | 0.87 | 2.02 | 0.58 | 1.49 | 0.16480 | P > 0.05 NS |
Post | 32.54 | 3.20 | |||||||
L6 vertical | Pre | 22.14 | 2.17 | 1.19 | 0.84 | 0.24 | 4.93 | 0.00045 | P < 0.001 HS |
Post | 23.33 | 1.83 | |||||||
L6 AP position | Pre | 42.18 | 4.47 | 2.98 | 3.82 | 1.10 | 2.71 | 0.02043 | P < 0.05 S |
Post | 45.17 | 3.69 |