Table 2.
Description of cephalometric landmarks
| No. | Landmark description | No. | Landmark description | |
|---|---|---|---|---|
| 1 | Sella (S) | 16 | Condylion (Co) | |
| 2 | Nasion (N) | 17 | Upper incisor (U1) | |
| 3 | Porion (Po) | 18 | Root apex of upper central incisor (U1A) | |
| 4 | Orbitale (Or) | 19 | Lower incisor (L1) | |
| 5 | Articulare (Ar) | 20 | Root apex of lower central incisor (L1A) | |
| 6 | Anterior nasal spine (ANS) | 21 | Pronasale (Prn) | |
| 7 | Posterior nasal spine (PNS) | 22 | Subnasale (Sn) | |
| 8 | Subspinale (A) | 23 | superior labial sulcus (A’) | |
| 9 | Superior prosthion (Spr) | 24 | Upper lip (UL) | |
| 10 | Infradentale (Id) | 25 | Labrale superius (Ls) | |
| 11 | Supramental (B) | 26 | Lower lip (LL) | |
| 12 | Pogonion (Pog) | 27 | Labrale inferius (Li) | |
| 13 | Gnathion (Gn) | 28 | Pogonion of soft tissue (Pog’) | |
| 14 | Menton (Me) | 29 | Ruler point 1 | |
| 15 | Gonion (Go) | 30 | Ruler point 2 |