MESNA Injection for TMJ Internal Derangement

1 ml of MESNA will be injected using 20-guage needle in he upper compartment of TMJ in patient with internal derrangement.

Two 20-gauge needles will be placed into upper joint space as entry and exit points for washing.The arthrocentesis will be performed with 100 ml of lactated Ringer's solution to eliminate the inflammatory mediators present in the synovial fluid