Evaluation of the TMJ by means of Clinical TMD Examination and MRI Diagnostics in Patients with Rheumatoid Arthritis
Table 9
Statistical analysis (Fisher’s exact test) of results from the MRI evaluation in test subjects of the control group (group N, subjects) and the group of patients with rheumatoid arthritis (group RA, patients).
Examination parameter
values left TMJ
values right TMJ
Condyle/fossa relationship (closed mouth)
Centered
0.015
0.002
Anterior oriented
1.000
0.052
Posterior oriented
0.021
0.072
Cranial oriented
0.052
0.103
Caudal oriented
0.047
0.010
Disk position parasagittal (closed mouth)
Regular
0.001
0.019
Partial anterior DD with reduction
0.030
1.000
Partial anterior DD without reduction
1.000
—
Complete anterior DD with reduction
1.000
—
Complete anterior DD without reduction
0.103
0.052
Signal intensity (PD/T2) (condyle)
Increased signal intensity
0.011
0.112
Signal intensity PD/T2 (bilaminar zone/joint space)