Table 3

Direction	Parameter	Class	Photogrammetry	Cephalometry	t-test
Direction	Parameter	Class	Movement Mean ± SD (mm)	Movement Mean ± SD (mm)	P (two-tailed)
Horizontal	Li	II	2.1 ± 1.2	2.6 ± 1.6	0.537^a
	Li	III	- 3.2 ± 1.6	- 4.6 ± 1.9	0.255^a
	Si	II	2.8 ± 1.4	4.6 ± 1.1	0.065^a
	Si	III	- 4.4 ± 0.8	- 4. ± 2.3	0.862^a
	Pg`	II	2.8 ± 1.1	4.1 ± 1.8	0.258^a
	Pg`	III	- 4.2 ± 1.7	- 3.8 ± 2.9	0.803^a
Vertical	Li	II	0.2 ± 0.8	0.4 ± 1.3	0.785^a
	Li	III	1.4 ± 1.5	1.8 ± 0.8	0.623^a
	Si	II	- 0.8 ± 0.8	- 1.6 ± 0.5	0.117^a
	Si	III	2.4 ± 1.1	3.4 ± 2.8	0.491^a
	Pg`	II	- 0.2 ± 1.6	- 1.2 ± 2.2	0.435^a
	Pg`	III	2.2 ± 1.3	3.4 ± 1.9	0.291^a

^aNo statistically significant difference (t-test).

Copyright © Rustemeyer J, Martin A.
J Oral Maxillofac Res 2011 (Jul-Sep);2(3):e2. doi:10.5037/jomr.2011.2302