Table 1.
Definition of the measurements performed in the present study [43].
| Postero-Anterio Cephalogram | Lateral Cephalogram | ||
|---|---|---|---|
| Mx r/l | Maxillary transverse dimension | SNA | Angle between lines S-N and N-A |
| CVM + r/l | First permanent molar transvers dimension. | SNB | Angle between lines S-N and N-B |
| Nl r/l | Maximal horizontal diameter of the nasal cavity | ANB | Angle between lines A-N and N-B |
| CdNA-MID | Distance of the non-affected condyle to the axis of symmetry (in control patients it is by convention the distance from the more distant one to the axis of symmetry and the axis of symmetry) | SN-GoGn | Angle between lines S-N and Go-Gn |
| Cd A-MID | Distance of the affected condyle to the axis of symmetry (in control patients it is by convention the distance from the closer one to the axis of symmetry and the axis of symmetry) | AnsPns-GoGn | Angle between lines Ans-Pns and Go-Gn |
| ΔCd NA/A-MID | Linear difference between the distance of the non-affected and affected condyle to the axis of symmetry | SN-AnsPns | Angle between lines S-N and Ans-Pns |
| Go NA-MID | Distance of the non-affected gonion to the axis of symmetry (in control patients it is by convention the distance from the more distant one to the axis of symmetry and the axis of symmetry) | NSAr | Angle between N-S and S-Ar (“Articular angle”) |
| Go A-MID | Distance of the non-affected gonion to the axis of symmetry (in control patients it is by convention the distance from the closer one to the axis of symmetry and the axis of symmetry) | SArGo | Angle between S-Ar and Ar-Go (“Articular angle”) |
| ΔGo NA/A-MID | Linear difference between the distance of the non-affected and affected gonion to the axis of symmetry | ArGoGn | Angle between lines Ar-Go and Go-Me (“Total gonial angle”) |
| Me-MID | Distance of the point menton to the axis of symmetry | NGoGn | Angle between lines N-Go and Go-Gn (“Inferior gonial angle”) |
| Iif-MID | Distance of the point incision inferior frontale to the axis of symmetry | ArGoN | Angle between lines Ar-Go and Go-N (“Superior gonial angle”) |
| Isf-MID | Distance of the point incision superior frontale to the axis of symmetry | Jarabak’ssum | Sum of total, superior and inferior gonial angle |
| U1-SN | Angle between line through long axis of upper central incisor and S-N line | ||
| U1-AnsPns | Angle between line through long axis of upper central incisor and Ans-Pns line | ||
| IMPA | Angle between line through long axis of upper central incisor and Go-Gn line | ||
| U1-L1 | Angle between lines through long axis of upper and lower central incisors | ||