Table 4 Measurements based on landmarks.
No. | Measurements | Abbreviation | Marker number | Definition | |
|---|---|---|---|---|---|
Distance | 1 | D1 Large/D2 Slight | UI-LI | 27-28 | The distance of UI-LI |
2 | D3 | Ls-E | 20 | Horizontal distance from Ls to E | |
3 | D4 | Li-E | 22 | Horizontal distance from Li to E | |
4 | D5 | IIs-E | 30 | Horizontal distance from IIs to E | |
5 | D6 Left/D7 Right | C-Mes | 19-32/21-32 | The distance of C-Mes | |
6 | D8 | Pog-FM | 31 | Horizontal distance from Pog to FM | |
7 | D9 | Gn-FM | 32 | Horizontal distance from Gn to FM | |
8 | D10 | Mes-FM | 3 | Horizontal distance from Mes to FM | |
Slope | 1 | K | CR-CL/x0 | 19/21 | The slope of the bilateral Angle line to the horizontal plane |
Angle | 1 | Facial angle | N-Sn-Pog | 6-9-31 | Angle between N-Sn and Sn-Pog |
2 | Nasofacial angle | Prn-N-Pog | 7-6-31 | Angle between Prn-N and N-Pog | |
3 | Nasomental angle | N-Prn-Pog | 6-7-31 | Angle between N-Prn and Prn-Pog | |
4 | Mentolabial angle | Li-IIs-Pog | 22-30-31 | Angle between Li-IIs and IIs-Pog | |
5 | ANB angle | As-N-IIs | 29-6-30 | Angle between As-N and N-IIs |
