Morphologic Analysis of Condyle among Different Disc Status in the Temporomandibular Joints by Three-dimensional Reconstructive Imaging: A Preliminary Study

Table 2 Comparisons of morphological parameters of TMJ according to different disc displacement types

Variables	NADP	ADDwR	ADDwoR	P_K-S value	H or F value	Significance
CV (mm³)	1566.775 2100.115	1424.365 2066.185	919.505 1642.935	0.029	15.046	P_(NADP-ADDwR) = 0.890 P_{(NADP-ADDwoR)} = 0.001 P_{(ADDwR-ADDwoR)} = 0.001
CSA (mm²)	886.312 ± 206.735	846.356 ± 104.682	689.275 ± 124.039	0.147	8.009	P_(NADP-ADDwR) = 0.446 P_{(NADP-ADDwoR)} < 0.001 P_{(ADDwR-ADDwoR)} = 0.004
FV (mm³)	652.068 ± 318.949	580.804 ± 193.351	642.784 ± 248.556	0.200	0.381	P_(NADP-ADDwR) = 0.426 P_{(NADP-ADDwoR)} = 0.917 P_{(ADDwR-ADDwoR)} = 0.488
FSA (mm²)	583.897 ± 148.062	510.611 ± 101.293	543.922 ± 117.772	0.200	0.357	P_(NADP-ADDwR) = 0.509 P_{(NADP-ADDwoR)} = 0.906 P_{(ADDwR-ADDwoR)} = 0.437
CV%	22.435 ± 13.247	25.788 ± 16.479	30.165 ± 12.210	0.200	1.285	P_(NADP-ADDwR) = 0.491 P_{(NADP-ADDwoR)} = 0.016 P_{(ADDwR-ADDwoR)} = 0.370
CSA%	7.194 ± 5.798	7.729 ± 4.928	11.506 ± 5.827	0.200	3.066	P_(NADP-ADDwR) = 0.779 P_{(NADP-ADDwoR)} = 0.028 P_{(ADDwR-ADDwoR)} = 0.052
SJS (mm)	1.435 2.695	1.235 2.345	0.860 1.315	0.008	15.141	P_(NADP-ADDwR) = 0.371 P_{(NADP-ADDwoR)} < 0.001 P_{(ADDwR-ADDwoR)} = 0.005
AJS (mm)	0.820 1.765	1.190 2.850	0.950 2.530	0.006	1.368	P = 0.505
PJS (mm)	1.725 2.835	1.305 2.605	1.545 2.995	0.000	1.545	P = 0.462
MJS (mm)	5.072 ± 1.574	3.682 ± 1.454	5.075 ± 1.761	0.200	4.281	P_(NADP-ADDwR) = 0.015 P_{(NADP-ADDwoR)} = 0.997 P_{(ADDwR-ADDwoR)} = 0.015

ADDwR Anterior disc displacement with reduction, ADDwoR Anterior disc displacement without reduction, CV Condylar volume, CV% The proportion of condylar volume in the articular fossa, CSA Condylar superficial area, CSA% The proportion of the condylar superficial area in the articular fossa, FV Fossa volume, FSA Fossa superficial area, AJS Anterior joint space, K-S Kolmogorov–Smirnov, MJS Medial joint space, NADP Normal articular disc position, PJS Posterior joint space, SJS Superior joint space

ISSN: 1472-6831