Table 7.
Mean pre- and post-treatment cephalometric changes.
| S. No. | Variable | Group | Pretreatment mean ± SD | Post-treatment mean ± SD | Change (pre–post) mean ± SD | p value for change between groups | p value for change within groups |
|---|---|---|---|---|---|---|---|
| 1. | SNA | I | 82.36 ± 4.39 | 82.24 ± 4.28 | 0.12 ± 0.33 | 0.03 | 0.61 |
| II | 81.80 ± 3.24 | 81.32 ± 3.25 | 0.48 ± 0.71 | 0.44 | |||
| 2. | SNB | I | 77.36 ± 4.22 | 77.24 ± 4.28 | 0.12 ± 0.33 | 0.16 | 0.55 |
| II | 76.72 ± 3.29 | 76.44 ± 3.38 | 0.28 ± 0.46 | 0.47 | |||
| 3. | ANB | I | 5.00 ± 0.82 | 5.00 ± 0.76 | 0.00 ± 0.29 | 0.18 | 0.78 |
| II | 5.08 ± 1.19 | 4.96 ± 1.02 | 0.12 ± 0.33 | 0.88 | |||
| 4. | N Perp A | I | −0.64 ± 02.36 | −0.76 ± 2.30 | 0.12 ± 0.36 | 0.18 | 0.12 |
| II | 0.36 ± 02.04 | 0.08 ± 2.08 | 0.28 ± 0.46 | 0.18 | |||
| 5. | N Perp Pog | I | −6.84 ± 3.93 | −6.72 ± 3.90 | −0.12 ± 0.39 | 0.02 | 0.80 |
| II | −6.56 ± 3.93 | −6.76 ± 4.04 | −0.20 ± 0.50 | 0.97 | |||
| 6. | U1-NA (°) | I | 42.32 ± 6.37 | 35.20 ± 5.83 | 7.12 ± 1.51 | 0.8 | 0.12 |
| II | 40.68 ± 5.06 | 33.44 ± 5.24 | 7.24 ± 1.05 | 0.36 | |||
| 7. | U1-NA (mm) | I | 8.68 ± 2.80 | 6.52 ± 2.37 | 2.16 ± 1.03 | 0.6 | 0.80 |
| II | 8.36 ± 2.252 | 6.06 ± 1.77 | 2.30 ± 0.92 | 0.86 | |||
| 8. | Li-NB (°) | I | 36.08 ± 4.743 | 31.48 ± 4.38 | 6.76 ± 1.44 | 0.3 | 0.32 |
| II | 35.68 ± 3.84 | 28.48 ± 3.57 | 7.20 ± 1.56 | 0.60 | |||
| 9. | L1-NB (mm) | I | 7.16 ± 2.29 | 5.24 ± 1.84 | 1.92 ± 0.73 | 0.3 | 0.66 |
| II | 7.84 ± 2.51 | 5.68 ± 2.21 | 2.16 ± 0.75 | 0.08 | |||
| 10. | Saddle angle | I | 125.08 ± 6.78 | 125.0 ± 6.78 | 0 | 0 | 0.74 |
| II | 124.48 ± 4.00 | 124.48 ± 4.00 | 0 | 0.70 | |||
| 11. | Articulare angle | I | 144.08 ± 7.97 | 144.08 ± 7.97 | 0 | 0 | 0.32 |
| II | 145.24 ± 6.03 | 145.24 ± 6.03 | 0 | 0.56 | |||
| 12. | Gonial angle | I | 118.24 ± 7.57 | 119.28 ± 7.81 | −1.04 ± 0.93 | 0 | 0.71 |
| II | 123.20 ± 6.25 | 123.36 ± 6.197 | −0.16 ± 0.37 | 0.05 | |||
| 13. | Bjorks angle | I | 387.40 ± 6.29 | 388.44 ± 6.55 | −1.04 ± 0.94 | 0 | 0.02 |
| II | 392.84 ± 8.22 | 393.00 ± 8.22 | −0.16 ± 0.37 | 0.20 | |||
| 14. | FMA | I | 21.20 ± 5.49 | 22.08 ± 5.71 | −0.88 ± 0.78 | 0 | 0.01 |
| II | 24.32 ± 7.15 | 24.48 ± 7.11 | −0.16 ± 0.37 | 0.53 | |||
| 15. | Go-Gn SN | I | 25.16 ± 6.27 | 25.88 ± 6.42 | −0.72 ± 0.61 | 0 | 0.09 |
| II | 27.12 ± 8.93 | 27.28 ± 8.96 | −0.16 ± 0.37 | 0.31 | |||
| 16. | Nasolabial angle | I | 81.68 ± 5.27 | 88.48 ± 5.55 | −6.8 ± 1.41 | 0.04 | 0.37 |
| II | 81.64 ± 3.03 | 89.16 ± 3.18 | −7.5 ± 0.87 | 0.10 | |||
| 17. | Lower lip -E line | I | 3.24 ± 1.51 | 0.58 ± 1.59 | 2.66 ± 0.79 | 0.79 | 0.97 |
| II | 2.96 ± 1.37 | 0.24 ± 1.67 | 2.72 ± 0.78 | 0.05 | |||
| 18. | Pterygoid vert to U6 | I | 19.56 ± 2.29 | 21.56 ± 2.26 | 2 ± 0.65 | 0.05 | 0.50 |
| II | 20.16 ± 1.84 | 20.36 ± 1.80 | 0.20 ± 0.35 | 0.00 | |||
| 19. | Pterygoid vert to L6 | I | 21.96 ± 2.15 | 24.06 ± 1.94 | 2.10 ± 0.75 | 0.05 | 0.37 |
| II | 19.88 ± 1.74 | 20.08 ± 1.72 | 0.20 ± 0.35 | 0.10 |