Table 2 Measurements and definitions used in the cephalometric analysis
Measurement (unit) | Description |
|---|---|
SNA (°) | Sagittal position of the maxilla |
SNPog (°) | Sagittal position of the chin |
SNB (°) | Sagittal position of the mandible |
ANPog (°) | Sagittal chin relation |
ANB (°) | Sagittal jaw relations |
SN-ANS-PNS (°) | Maxillary inclination in relation to the SN plane |
SN-Go-Gn (°) | Mandibular inclination in relation to the SN plane |
ANS-PNS-Go-Gn (°) | Angle between the maxillary and the mandibular planes |
Gonial angle (Ar-Go-Gn) (°) | Angle of the mandible |
U1-ANS-PNS (°) | Angle formed by the long axis of the upper incisor and the maxillary plane |
L1-Go-Gn (°) | Angle formed by the long axis of the lower incisor and the mandibular plane |
L1-APog (mm) | Distance from the lower incisor incisal tip to the A-Pog line |
Overjet (mm) | Distance from the incisal tip of upper incisors and the incisal tip of the lower incisors in the horizontal direction |
Overbite (mm) | Distance from the incisal tip of upper incisors and the incisal tip of the lower incisors in the vertical direction |
Interincisal angle (°) | Angle between the long axes of the upper incisor and the lower incisor |
Nasolabial angle (°) | Angle formed by the two lines passing through the lower tip of the nose (the columella) and the tip of the upper lip |
Upper lip to E-plane (mm) | Distance from the upper lip to the E-plane |
Lower lip to E-plane (mm) | Distance from the lower lip to the E-plane |