Three-dimensional methodology for photogrammetric acquisition of the soft tissues of the face: a new clinical-instrumental protocol

Progress in Orthodontics

Table 1 Three-dimensional coordinates of the anatomical landmarks and estimation of the precision of each measure

Landmark	X(mm)	Y(mm)	Z(mm)	Precision vector length (mm)
Ac_l	14.20	−41.65	−1.28	1.11
Ac_r	−15.87	−42.59	−3.40	1.02
C_c	4.00	−123.54	−57.77	0.17
C_l	38.02	−116.39	−74.18	0.18
C_r	−24.05	−116.60	−77.28	0.18
Ch_l	21.43	−70.05	−2.50	1.08
Ch_r	−23.98	−70.81	−5.30	1.00
Cph_l	3.57	−57.67	10.74	0.17
Cph_r	−6.58	−57.83	10.11	0.17
En_l	14.77	−10.92	−12.42	0.20
En_r	−13.38	−10.98	−14.11	1.06
Ex_l	43.04	−9.20	−17.00	0.17
Ex_r	−40.14	−8.47	−23.84	1.06
Ey_l	30.24	−6.14	−9.69	0.12
Ey_r	−27.06	−6.68	−13.07	0.12
Ft_l	53.32	−0.61	−25.22	1.14
Ft_r	−50.12	−0.89	−32.44	1.07
G	−0.66	10.21	−0.22	0.17
Go_l	38.57	−100.48	−26.91	1.09
Go_r	−34.99	−99.86	−30.97	1.02
Li	−0.55	−80.01	8.82	0.16
Ls	−1.06	−60.00	10.98	0.16
Me	0.41	−109.10	−1.48	0.16
N	0.00	0.00	0.00	0.05
Os_l	18.58	4.82	−5.22	0.17
Os_r	−17.23	4.33	−8.46	0.17
Pg	0.16	−99.49	6.63	0.16
Prn	−2.34	−38.18	23.19	0.16
Sl	0.53	−85.94	2.90	0.16
Sn	−1.77	−49.80	10.32	0.17
T_l	72.84	−42.17	−76.74	0.13
T_r	−57.88	−31.26	−83.51	0.12
Tr	0.96	53.57	−18.75	0.18
Mean value				0.43