Therapeutic effects of functional orthodontic appliances on cervical spine posture: a retrospective cephalometric study

Table 1 Angles and distances indicating skeletal change in the sagittal and vertical planes

Parameters	Active group	p-values	BJA group	p-values	All patients	p-values
SNA (°)	-0.76 ± 1.71	0.0155*	-0.81 ± 2.66	0.1347	-0.78 ± 2.10	0.0045*
SNB (°)	0.24 ± 2.27	0.5489	0.09 ± 231	0.8465	0.2 ± 2.20	0.4733
ANB (°)	-0.99 ± 1.30	0.0001**	-0.93 ± 1.16	0.0004**	-0.99 ± 1.23	< 0.0001**
BjØrk sum^a (°)	0.72 ± 4.74	0.3904	-1.69 ± 9.46	0.3691	-0.26 ± 7.02	0.7709
Gonion angle^b (°)	-0.12 ± 2.31	0.7764	-0.80 ± 4.16	0.3344	-0.41 ± 3.15	0.3095
S-Go (mm)	2.78 ± 4.01	0.0004*	3.03 ± 3.49	0.0002**	3.00 ± 3.71	< 0.0001**
N-Me (mm)	4.81 ± 3.48	<0.0001**	4.39 ± 5.04	0.0002**	4.69 ± 4.12	< 0.0001**
SN/ML (°)	0.85 ± 3.72	0.1991	0.38 ± 3.38	0.5746	0.61 ± 3.44	0.1642
PE/ML (°)	0.78 ± 2.55	0.0890	-0.22 ± 3.45	0.7446	0.30 ± 2.95	0.4178

Data are given as mean differences (± SD) between posttreatment and baseline values.
Asterisks (* or **) indicate significant (p < 0.05) or highly significant (p < 0.001) differences.
^aN-S-Ar + S-Ar-Go + Ar-Go-Me; ^bAr-Go-Me.

ISSN: 1746-160X