Table 1.

List of anatomical landmarks used

Landmark number	Explanation	Abbreviation
1	Glabella	G
2	Pronasale	Prn
3	Subnasale	Sn
4	Labrale superius	Ls
5	Labrale inferius	Li
6	Mentolabial sulcus	Si
7	Pogonion of soft tissue	Pog ‘
8	Gnathion of soft tissue	Gn ‘
9	Menton of soft tissue	Me ‘
10	Cervical point	C
11	Basion	Ba
12	Sella	S
13	Nasion	N
14	Porion	P
15	Orbitale	Or
16	Anterior nasal spine	ANS
17	Posterior nasal spine	PNS
18	Pterygoid	Pt
19	Pterygomaxillary fissure	Ptm
20	Subspinale	A
21	Upper incisor	U1
22	Root apex of upper central incisor	UIA
23	Lower incisor	C1
24	Root apex of lower central incisor	LIA
25	Supramental	B
26	Pogoion	Pog
27	Gnathion	Gn
28	Menton	Me
29	Gonion	Go
30	Articular	Ar
31	Posterior condyle	Pcd
32	Condylion	Co