Table 2 Cephamotric variables
From: Classification and characterization of class III malocclusion in Chinese individuals
Cranial Base | Condylion to Gnathion (Co-Gn)(mm) | IMPA (L1-MP) (°) |
Saddle/Sella Angle (SN-Ar) (°) | Intermaxillary | L1-NB (°) |
Anterior Cranial Base (SN) (mm) | Midface Length (Co-A) (mm) | L1-NB (mm) |
Posterior Cranial Base (S-Ar) (mm) | ANB (°) | L1 Protrusion (L1-APg) (°) |
Maxilla | Facial Plane to AB (NP-AB) (°) | L1 Protrusion (L1-APg) (mm) |
SNA (°) | Post-Ant Face Height (S-Go/N-Me) (%) | FMIA (L1-FH) (°) |
Convexity (NA-APg) (°) | Y-axis (N-S-Gn) (°) | Interincisal Angle (U1-L1) (°) |
N to A through the Horizontal Plane (mm) | Maxillary-Mandibular Difference (mm) | UADH (U1-PP) (mm) |
Na _|_ to A point (mm) | Wits Appraisal (AO-BO) (mm) | LADH (L1-MP) (mm) |
Maxilla Length (Co-ANS) (mm) | Anterior Face Height (N-Me) (mm) | UPDH (U6-PP) (mm) |
Mandible | Upper Face Height (N-ANS) (mm) | LPDH (L6 - MP) (mm) |
SNB (°) | Inferior Facial Height (mm) | Overjet (mm) |
Facial Angle (FH-NPg) (°) | Nasal Height (N-ANS/N-Me) (%) | Overbite (mm) |
Gonial Angle (Ar-Go-Me)(°) | MP-SN (°) | Soft Tissue |
Ramus Height (Ar-Go) (mm) | FMA (FH-MP) (°) | Upper Lip to E-Plane (mm) |
Facial Taper (N-Gn-Go) (°) | GoGn-SN (°) | Lower Lip to E-Plane (mm) |
Articular Angle (S-Ar-Go) (°) | Occlusal plane To SN (°) | Upper lip length (Sn-ULI) |
N to B through Horizontal Plane (mm) | Occlusal Plane to FH (OP-PoOr) (°) | Lower lip length (LLS-Me') |
N to Pg through Horizontal Plane (mm) | Dental | Facial angle (G'-Sn-Pog') (°) |
Pg to Na Perpendicular (mm) | U1-SN (°) | Upper lip anterior (ULA-TVL) (°) |
Mandibular Unit Length (Co-Gn) (mm) | U1-NA (°) | Lower lip anterior (LLA - TVL) (°) |
Pg - NB (mm) | U1-NA (mm) | |
Posterior Facial Height (Co-Go) (mm) | U1-FH (°) |