Table 6. Comparative results of our study and Giordano et al's²¹ study.

Landmarks	Mean error (mm) in our study	Mean error (mm) in Giordano et al's study
A	2.49	1.34
B	3.33	2
Me	1.72	0.62
N	2.34	1.12
Pog	2.48	0.87
U1T	2.25	0.48

A, A point; ANS, anterior nasal spine; B, B point; Me, menton; N, nasion; Pog, pogonion; U1T, tip of upper first incisor.