| Overbite (OB) |
Distance (mm) measured from incisal edge of the most anterior upper central incisor (U1) to incisal edge of the most anterior lower central incisor (L1). |
| Sella-Nasion to Mandibular Plane Angle (SN_MP) |
Angle (degrees) measured between sella-nasion (SN) plane and mandibular plane (Go-Me). |
| Frankfort to Mandibular Plane Angle (FMA) |
Angle (degrees) measured between Frankfort Horizontal (Po-Or) and mandibular plane (Go-Me). |
| Lower Molar Height (L6H) |
Distance (mm) measured perpendicular of line from mandibular plane (Go-Me) to mesial-buccal (MB) cusp of lower first molar (L6). |
| Upper Molar Height (U6H) |
Distance (mm) measured perpendicular of line from palatal plane (ANS-PNS) to mesial-buccal (MB) cusp of the upper first molar (U6). |
| Palatal Plane to Mandibular Plane Angle (PP_MP) |
Angle (degrees) measured between palatal plane (ANS-PNS) and mandibular plane (Go-Me). |
| Lower Facial Height (LFH) |
Distance (mm) measured from anterior nasal spine to menton. |
| Total Anterior Facial Height (TFH) |
Distance (mm) measured from nasion to menton. |
