| |
Abbreviation |
Definition |
| 1 |
SNA (º) |
The angle between the lines Sella-Nasion and Nasion-A point |
| 2 |
SNB (º) |
The angle between the lines Sella-Nasion and Nasion-B point |
| 3 |
ANB (º) |
The angle between the lines A point-Nasion and Nasion-B point |
| 4 |
SN/PP (º) |
The angle between the lines Sella-Nasion and Palatal Plane (ANS-PNS) |
| 5 |
SN/MP (º) |
The angle between the lines Sella-Nasion and Mandibular Plane (Me-Go) |
| 6 |
SE (mm) |
The distance between Sella and E point |
| 7 |
SL (mm) |
The distance between Sella and L point |
| 8 |
Pg-NB (mm) |
The distance between Pogonion and Nasion-B point |
| 9 |
Ar-Pg (mm) |
The distance between Articulare and Pogonion |
| 10 |
A-RL2 (mm) |
The distance between A point and Reference Line 2 |
| 11 |
B-RL2 (mm) |
The distance between B point and Reference Line 2 |
| 12 |
A-RL1 (mm) |
The distance between A point and Reference Line 1 |
| 13 |
ANS-Me/N-Me (%) |
The ratio between lower facial height and total facial height |
| 14 |
Jarabak Ratio (%) |
The ratio between posterior facial height (S-Go) and anterior facial height (N-Me) |
| 15 |
Gonial Ratio (%) |
The ratio between the upper and lower gonial angles |
| 16 |
S-Ar/Ar-Go (%) |
The ration between Sella-Articulare distance and Articulare-Gonion distance |
| 17 |
U1/SN (º) |
The angle between the Sella-Nasion and the upper incisor axis |
| 18 |
IMPA (º) |
The angle between the Mandibular Plane (Me-Go) and the lower incisor axis |
| 19 |
L1/RL2 (º) |
The angle between the lower incisor axis and Reference Line 2 |
| 20 |
Interincisal Angle (º) |
The angle between the upper incisor axis and the lower incisor axis |
| 21 |
SN/OP (º) |
The angle between the Sella-Nasion and the Occlusal Plane |
| 22 |
L1/NB (mm) |
The distance from the lower incisor most buccal point to the Nasion-B point |
| 23 |
Overjet (mm) |
The distance from the lower incisor to upper incisor tips on the sagital plane |
| 24 |
Overbite (mm) |
The distance from the lower incisor to upper incisor tips on the vertical plane |
| 25 |
U6-RL1 (mm) |
The distance from the mesio-buccal cusp tip of upper first molar to Reference Line 1 |
| 26 |
U1-RL1 (mm) |
The distance from the upper incisor tip to Reference Line 1 |
| 27 |
H Angle (º) |
The angle between Nasion-B point and soft tissue pogonion - upper lip |
| 28 |
Nasolabial Angle (º) |
The angle between nose tip - subnasale and subnasale - upper lip |
| 29 |
N-A-Pg (º) |
The angle between Nasion - A point and A point - pogonion |
| 30 |
A-labialis superior (mm) |
The distance between A point and upper lip |
| 31 |
E line-labialis superior (mm) |
The distance between upper lip and E Line (Soft tissue pogonion - nose tip) |
| 32 |
E line-labialis inferior (mm) |
The distance between lower lip and E Line (Soft tissue pogonion - nose tip) |
| 33 |
Labialis superior-RL2 (mm) |
The distance between upper lip and Reference Line 2 |
| 34 |
Labialis inferior-RL2 (mm) |
The distance between lower lip and Reference Line 2 |
| 35 |
Lip strength (mm) |
The difference between the distance from the most buccal point of upper incisor to upper lip and the distance from A point to soft tissue sulcus superior |
