Table 4.
The downward-canted (right) and upward-canted (left) distance discrepancies of Orb-Mx, Po-Mx, and EAM-Mx
| Discrepancies | Group I | Group II-A | Group II-B | p value | |
|---|---|---|---|---|---|
| Vertical | Orb-Mx | 0.70 ± 0.45 | 0.60 ± 0.36 | 3.72 ± 1.47 | <0.001 |
| Po-Mx | 0.46 ± 1.89 | 1.19 ± 2.56 | 3.85 ± 2.53 | <0.001 | |
| EAM-Mx | 0.45 ± 1.90 | 1.20 ± 1.70 | 2.93 ± 2.35 | <0.001 | |
| p value | Orb-Mx vs. Po-Mx | 0.530 | 0.472 | 0.718 | |
| Orb-Mx vs. EAM-Mx | 0.538 | 0.284 | 0.026* | ||
| Po-Mx vs. EAM-Mx | 0.985 | 0.981 | 0.001* | ||
| Horizontal | Fro-Mx | 0.33 ± 1.68 | −1.93 ± 4.02 | −0.08 ± 3.01 | 0.086 |
| Po-Mx | 0.37 ± 2.51 | −1.82 ± 4.26 | −0.71 ± 3.24 | 0.166 | |
| EAM-Mx | 0.46 ± 2.66 | −2.09 ± 4.22 | −0.03 ± 2.67 | 0.057 | |
| p value | Fro-Mx vs. Po-Mx | 0.938 | 0.872 | 0.290 | |
| Fro-Mx vs. EAM-Mx | 0.837 | 0.785 | 0.909 | ||
| Po-Mx vs. EAM-Mx | 0.876 | 0.633 | 0.110 | ||
Mean ± standard deviation, mm, One way ANOVA and paired t-test
Mx maxillary 1st molar tip, Po porion, EAM external auditory meatus, Orb orbital plane, Fro frontal plane, * denotes statistical difference (p < 0.05)