A pilot investigation of condylar position and asymmetry in patients with unilateral posterior scissors-bite malocclusion based on three-dimensional reconstructive imaging technique

Table 2 TMJ morphological parameters between healthy individuals and normal side of uPSB patient

Variables	Healthy individuals (N = 20)	uPSB patients (N = 20)	t or z value	P value
CV (mm³)	1894.61 ± 476.91	1773.26 ± 644.95	-0.648	0.525
CSA (mm²)	881.25 ± 158.21	833.88 ± 219.54	0.725	0.477
CMI	2.12 ± 0 .21	2.07 ± 0.24	-0.705	0.489
FV (mm³)	477.01 (384.95, 673.03)	637.95 (421.52,740.66)	-0.896	0.370
FSA (mm²)	561.18 ± 134.33	574.76 ± 107.27	0.341	0.737
FMI	0.95 ± 0.20	1.00 ± 0.25	0.633	0.534
CV%	156.98 ± 99.70	185.69 ± 116.47	0.979	0.340
CSA%	36.79 ± 21.59	46.50 ± 38.54	1.208	0.242
SJS (mm)	1.90 ± 0.65	1.94 ± 0.98	0.158	0.876
AJS (mm)	2.71 ± 0.99	2.83 ± 1.11	0.296	0.771
PJS (mm)	2.06 (1.63, 3.16)	2.10 (1.82, 2.54)	-0.336	0.737
MJS (mm)	3.82 (2.60, 4.68)	3.40 (3.02, 4.93)	-0.541	0.588

AJS Anterior joint space, CV Condylar volume, CV% The proportion of condylar volume in the articular fossa, CMI Condylar morphological index, CSA Condylar superficial area, CSA% The proportion of the condylar superficial area in the articular fossa, FMI Fossa morphological index, FSA Fossa superficial area, FV Fossa volume, MJS Medial joint space, PJS Posterior joint space, SJS Superior joint space
^*P < 0.05
^**P < 0.01

ISSN: 1471-2474