This study is aiming to assess effect of hypertonic saline 5% in comparison to dextrose 20% on pain ,inter-insical opening and movements of jaw in painful cases of disc displacement with reduction
pain.
audible clicking.
mandibular deviation on opening.
Failure of conservative treatment
The clinical or radiographic signs of disc displacement without reduction, osteoarthritis, or articular bony changes.
Previous TMJ surgery, arthrocentesis, , or the presence of any systemic disease that would affect the TMJ anatomy or mechanical function.
A history of allergic reactions to any components of the injectable solution.
Infection of the affected joint and pre-auricular area.