Table 2 Definitions of 3D linear and angular measurements
Measurement | Definition |
|---|---|
Intercanthal width (mm) | Linear distance between the endocanthion points (1 and 2) |
Nasal width (mm) | Linear distance between the most lateral point on each alar contour (adjusted on the frontal and lateral views) |
Nasal columella width (mm) | Linear distance between the points located at the lateral aspects of the central region of the columella (on the submental view) |
Mouth width (mm) | Linear distance between the points located at each labial commissure |
Nasal tip angle (degree) | Angle formed by AlarRight-Prn-AlarLeft |
Upper lip angle (degree) | Angle formed by CheilionRight-Ls-CheilionLeft |
Lower lip angle (degree) | Angle formed by CheilionRight-Li-CheilionLeft |