Table 2.
Description of linear and angular measurements
| Measurements | Annotation | Description | Image view |
|---|---|---|---|
| Linear | al_al | Nose width (inter-alar distance) | F |
| al_prn | Pronasale to alar base | F | |
| ac_ac | Anatomical width of the nose | F | |
| ac_prn | Length of the ala | F | |
| sbal_sbal | Subalare width | F | |
| sbal_sn | Subalare to subnasale | F | |
| sbal_cph | Upper lip lateral length | F | |
| cph_cph | Width of philtrum | F | |
| ls_sto | Vermilion height of the upper lip | F | |
| sto_li | Vermilion height of the lower lip | F | |
| sn_sto | Height of the upper lip | F | |
| sto_gn | Height of the mandible | F | |
| ch_ch | Width of the mouth/ length of labial fissure | F | |
| n_sto | Height of the upper face | F | |
| sn_gn | Height of the lower face | F | |
| tr_sn | Depth of middle third of the face | L | |
| n_sn | Nose height | L | |
| sn_prn | Nasal tip protrusion | L | |
| Angular | ∠tri_ch_pg | Angle formed by trichion, chelion and pogonion | F |
| ∠ch_sn_ch | Angle formed by right chelion, subnasale and left chelion | F | |
| ∠ch_pg_ch | Angle formed by right chelion, pogonion and left chelion | F | |
| ∠sn_ch_pg | Angle formed by subnasale, chelion and pogonion | F | |
| ∠g_n_prn | Nasofrontal angle | L | |
| ∠g_prn_pg | Total facial convexity | L | |
| ∠cm_sn_ls | Nasolabial angle | L | |
| ∠li_sm_pg | Mentolabial angle | L |
F Frontal, L Lateral