Control group | UPCB Group | |||||||
---|---|---|---|---|---|---|---|---|
Right side | Left side | Crossbite side | Non-crossbite side | |||||
Mean ± SD | Mean ± SD | t value | P value | Mean ± SD | Mean ± SD | t value | P value | |
Morphological measurements of maxilla and mandible | ||||||||
Vertical | ||||||||
Maxillary height (mm) | 29.26 ± 2.81 | 29.23 ± 2.88 | − 0.343 | 0.735 | 30.23 ± 2.68 | 30.72 ± 3.08 | − 1.946 | 0.067 |
CH (mm) | 7.47 ± 1.70 | 7.22 ± 1.84 | 0.416 | 0.682 | 7.28 ± 2.14 | 8.01 ± 1.64 | − 1.102 | 0.284 |
RH (mm) | 42.18 ± 3.58 | 41.77 ± 4.33 | 0.474 | 0.641 | 41.32 ± 4.63 | 45.50 ± 3.30 | − 3.247 | 0.004* |
CH + RH (mm) | 49.64 ± 3.32 | 48.99 ± 4.26 | 0.933 | 0.363 | 48.60 ± 5.72 | 53.50 ± 3.09 | − 3.337 | 0.003* |
Sagittal | ||||||||
Mandibular corpus length (mm) | 82.24 ± 4.25 | 80.67 ± 4.31 | 3.633 | 0.002* | 78.34 ± 5.08 | 81.99 ± 5.39 | − 6.731 | 0.000* |
Transverse | ||||||||
Jugal process width (mm) | 32.99 ± 1.95 | 32.66 ± 1.98 | 0.948 | 0.355 | 32.18 ± 2.35 | 31.87 ± 2.09 | 1.021 | 0.320 |
Antegonial width (mm) | 43.31 ± 2.67 | 43.64 ± 3.50 | − 0.378 | 0.710 | 46.60 ± 2.29 | 40.05 ± 3.27 | 7.755 | 0.000* |
Positional measurements of condylar | ||||||||
Anteroposterior difference of condylar process (mm) | 0 ± 0 | 0.22 ± 2.09 | 0.470 | 0.644 | 0 ± 0 | 0.96 ± 3.45 | − 1.241 | 0.230 |
Vertical difference of condylar process (mm) | 0 ± 0 | 0.35 ± 1.21 | − 1.30 | 0.209 | 0 ± 0 | 0.17 ± 2.18 | − 3.40 | 0.737 |
Transverse position of condylar process (mm) | 53.22 | 53.09 | − 0.429 | 0.673 | 52.12 ± 2.76 | 51.98 ± 2.78 | 0.271 | 0.789 |
Angle of condylar process (°) | 74.69 ± 6.63 | 72.47 ± 5.23 | 2.159 | 0.044* | 73.99 ± 8.38 | 76.08 ± 6.50 | − 0.991 | 0.334 |