Clinical Study

Evaluation of the TMJ by means of Clinical TMD Examination and MRI Diagnostics in Patients with Rheumatoid Arthritis

Table 8

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 morphology
 Convex0.4300.110
 Flattening0.2330.552
 Deformation0.0010.001
 Gable shaped/pointed angle1.0001.000
Compacta (condyle)
 No pathological findings0.0010.001
 Erosion0.0010.001
 Osteophyte formation0.0010.001
Spongiosa (condyle)
 No pathological findings0.0010.001
 Degeneration0.0010.001
Fossa morphology
 No pathological findings0.0010.001
 Erosion0.0240.011
 Osteophyte formation0.0010.001
Disk morphology
 Biconcave0.2790.795
 Overall/central thinning 0.0120.010
 Biplanar0.7480.095
 Flattening in the marginal area0.4720.333
 Deformation0.0520.112
 Perforation1.0000.492
 Destroyed/fragmented0.4921.000