Age-related variations in position and morphology of the temporomandibular joint in individuals with anterior openbite and crossbite: a multi-cross-sectional comparative study

Table 2 The skeletal features of the study sample

Variables	Study group^a			Control group			Study vs. Control (P value) ^b
Variables	Class I (n = 280)	Class II (n = 98)	Class III (n = 122)	Class I (n = 144)	Class II (n = 42)	Class III (n = 64)	Class I	Class II	Class III
SNA (°)	81.89 ± 2.46	81.15 ± 1.71	82.16 ± 1.54	82.06 ± 2.34	80.87 ± 1.64	82.12 ± 1.58	0.190	0.189	0.873
SNB (°)	79.91 ± 2.37	76.65 ± 1.62	83.00 ± 1.59	80.09 ± 2.18	76.46 ± 1.67	83.02 ± 1.56	0.196	0.390	0.946
ANB (°)	1.98 ± 0.43	4.49 ± 0.18	-0.85 ± 0.21	1.97 ± 0.42	4.41 ± 0.38	-0.91 ± 0.19	0.760	0.161	0.127
FH-MP (°)	26.54 ± 4.47	26.70 ± 2.48	27.39 ± 3.71	26.64 ± 3.72	27.20 ± 2.80	27.38 ± 4.57	0.603	0.793	0.389
Maxillomandibular transverse difference	5.67 ± 0.60	5.65 ± 0.70	5.62 ± 0.58	5.69 ± 0.64	5.62 ± 0.58	5.53 ± 0.68	0.859	0.126	0.417

ISSN: 1472-6831