TMJ DIAGNOSIS
For TMJ Movement (Transcranial cannot be used)
o Computerized tomography
o Conventional tomography
o Arthrography
For disc displacement / position - MRI scan
For morphology of TMJ Bone - MRI scan
For disc perforation - ARTHROGRAPHY
For best imaging of TMJ Disc - CBCT
For single / bilateral condylar fracture (# at neck of mandible), condyle shift - REVERSE TOWN
To see condylar head orientation - REVERSE TOWN
Radiograph show condylar head orientation & facial symmetry - REVERSE TOWN.
The image show disk position & morphology of TMJ bone - MRI.
In case of fracture of the ramus of the mandible, to evaluate if fracture favorable or unfavourable - 30 DEGREE OBLIQUE RADIOGRAPH.