Arthroscopy of TMJ is useful in
Soft tissues of the joint (articular disk) can be imagined with MRI or Arthrography. MRI produces superb images of the soft tissues in internal derangement of the disk. Arthrography is invasive and has the risk of infection and allergic reaction due to the contrast agent.
Internal derangement
Fracture of condyle
Ankylosis
Hyperplasia