|
| Name | Description in mathematics | Description in words |
|
| The angles of three points (unit: °) |
| SNA | | The angle of landmarks L39, L1, L6 |
| SNB | | The angle of landmarks L39, L1, L22 |
| ANB | | The angle of landmarks L6, L1, L22 |
| SNPg | | The angle of landmarks L39, L20, L1 |
| NAPg | | The angle of landmarks L1, L6, L20 |
| NSGn | | The angle of landmarks L1, L39, L19 |
| Ns-Prn-Pos | | The angle of landmarks L2, L3, L14 |
| Cm-Sn-UL | | The angle of landmarks L4, L7, L9 |
| LL-B′-Pos | | The angle of landmarks L12, L13, L14 |
| Angle of the jaw | | The angle of landmarks L41, L17, L18 |
| Angle of convexity | | The angle of landmarks L2, L7, L14 |
| The angles between two planes (unit: °) |
| FH-SN | | The angle between FH plane () and SN plane () |
| UI-SN | | The angle between upper incisor () and SN plane () |
| LI-FH | | The angle between lower incisor axis () and FH plane () |
| UI-LI | | The angle between upper and lower incisors (, ) |
| H angle | | The angle between H plane ()and NB plane () |
| Z angle | | The rear lower angle between FH plane () and H plane () |
| The distances between two points (unit: mm) |
| N-Me | | The forward height, the distance between landmarks L1, L18 |
| N-ANS | | The up-forward height, the distance between landmarks L1, L5 |
| ANS-Me | | The down-forward height, the distance between landmarks L5, L18 |
| Stoms-UI | | The vertical distance between landmarks L10, L25 |
| The distances from the point to the plane in the horizontal direction (unit: mm) |
| UI-AP | | The distance between landmark L25 to AP plane () |
| LI-AP | | The distance from landmark L24 to AP plane () |
| UL-EP | | The distance from landmark L9 to EP plane () |
| LL-EP | | The distance from landmark L12 to EP plane () |
| Max.E | | Maxillary length, the distance from landmark L6 to palatal plane () |
| The distances between two points projected to a plane (unit: mm) |
| Wits | | The distance between the two landmarks L6 and L22 projected to functional jaw plane () |
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