Table 4: Evaluation and comparison of the differences between the measurements obtained after the cephalometric analysis performed by the DM method and the AI-based automated method, according to the skeletal malocclusion groups.
| Class I | Class II | Class III | p value | Binary Comparisons | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | I-II | I-III | II-III | ||
| SNA (º) | -0.78 | 2.74 | -1.22 | 1.86 | -1.91 | 3.37 | 0.321 | 0.771 | 0.195 | 0.545 |
| SNB (º) | 0.74 | 2.38 | -0.88 | 1.73 | 0.60 | 2.82 | 0.008 | 0.013 | 0.964 | 0.027 |
| ANB (º) | -1.51 | 1.17 | -0.35 | 1.04 | -2.49 | 1.30 | 0.000 | 0.000 | 0.002 | 0.000 |
| NA (mm) | -2.04 | 2.99 | -1.13 | 2.57 | -2.79 | 3.23 | 0.054 | 0.396 | 0.538 | 0.051 |
| NPog | -0.66 | 4.93 | -0.43 | 4.90 | -1.78 | 6.06 | 0.731 | 0.983 | 0.653 | 0.541 |
| Y-axis (º) | 1.35 | 2.56 | 1.06 | 2.53 | 0.82 | 3.15 | 0.590 | 0.904 | 0.701 | 0.924 |
| SN.GoGn (º) | 0.33 | 3.30 | 1.80 | 2.59 | 1.45 | 4.45 | 0.257 | 0.198 | 0.385 | 0.912 |
| SN.PP (º) | -2.33 | 2.86 | -0.01 | 3.64 | -2.19 | 3.74 | 0.004 | 0.002 | 0.760 | 0.006 |
| ANS-Me (mm) | -5.45 | 4.91 | -4.72 | 3.53 | -6.36 | 4.45 | 0.292 | 0.762 | 0.660 | 0.261 |
| CoA (mm) | -6.20 | 5.73 | -4.65 | 4.72 | -8.23 | 6.26 | 0.122 | 0.480 | 0.289 | 0.064 |
| CoGN (mm) | -3.34 | 7.35 | -2.44 | 5.77 | -6.02 | 9.29 | 0.128 | 0.873 | 0.308 | 0.125 |
| U1.SN (º) | 0.14 | 4.31 | -2.63 | 7.53 | 1.66 | 5.27 | 0.010 | 0.122 | 0.527 | 0.008 |
| U1.PP (º) | -1.76 | 4.54 | -2.74 | 6.58 | -0.31 | 5.90 | 0.301 | 0.756 | 0.541 | 0.184 |
| U1-NA (mm) | 1.43 | 2.17 | -0.62 | 2.62 | 2.21 | 1.97 | 0.000 | 0.001 | 0.318 | 0.000 |
| U1.NA (º) | 1.02 | 4.98 | -1.40 | 7.01 | 3.53 | 5.82 | 0.004 | 0.470 | 0.002 | 0.015 |
| L1-APog | 0.36 | 0.91 | -1.03 | 1.79 | 1.28 | 1.70 | 0.000 | 0.003 | 0.062 | 0.000 |
| IMPA (º) | -2.43 | 3.45 | -4.37 | 4.23 | -1.48 | 4.18 | 0.042 | 0.184 | 1.000 | 0.048 |
| L1-NB (mm) | -0.89 | 0.98 | -1.33 | 1.65 | -0.39 | 1.45 | 0.030 | 1.000 | 0.228 | 0.028 |
| L1.NB (º) | -1.27 | 4.80 | -2.79 | 6.64 | 0.80 | 4.15 | 0.057 | 0.454 | 0.239 | 0.055 |
| I/I (º) | 1.31 | 4.99 | 3.70 | 9.74 | -1.58 | 7.59 | 0.121 | 0.398 | 0.262 | 0.054 |
| NLA (º) | 10.78 | 10.61 | 10.44 | 9.11 | 9.99 | 9.71 | 0.931 | 0.989 | 0.938 | 0.979 |
| ULE (mm) | -1.44 | 1.74 | -1.69 | 1.62 | 0.13 | 2.48 | 0.000 | 0.858 | 0.004 | 0.001 |
| LLE (mm) | 0.46 | 1.30 | -0.02 | 1.47 | -0.04 | 2.90 | 0.492 | 0.587 | 0.568 | 1.000 |
NPog= Nasion?Pogonion; NA= Nasion?A point; ANS-Me= Anterior Nasal Spine?Menton; CoA= Condylion?A point; CoGn= Condylion?Gnathion; U1-NA= Long axis of upper incisor?Nasion-A point; L1-APog= Long axis of lower incisor?A point-Pogonion; L1-NB= Long axis of lower incisor?Nasion-B point; ULE= Distance of upper lip anterior point and Esthetic line; LLE= Distance of lower lip anterior point and Esthetic line; SNA= Sella.Nasion.A point; SNB= Sella.Nasion.B point; ANB= A point.Nasion.B point; SN.GoGn= Sella-Nasion.Gonion-Gnathion; SN.PP= Sella-Nasion.Palatal Plane; U1.SN= Long axis of upper incisor.Sella-Nasion; U1.PP= Long axis of upper incisor.Palatal Plane; U1.NA= Long axis of upper incisor.Nasion-A point; IMPA= long axis of lower incisor.Mandibular Plane; L1.NB= Long axis of lower incisor.Nasion-B point; I/I= Interincisal angle; NLA= Nasolabial angle; (º)= Degree (for angle); (mm)= millimeter (for distance); SD= Standard Deviation; Min= Minimum; Max= Maximum. Statistical significance degree= p < 0.05.