Evaluation of the Effect of Dextrose Prolotherapy Versus Dry Needling Therapy

The patients within the study group will receive intraarticular TMJ and masseteric Trigger point injection of a solution that contains (0.75 ml. 12.5% Dextrose solution, 0.75 ml. Saline solution, and 1.5 ml. Lidocaine). Each patient will receive four injections at two-week intervals, aided by a 25 gauge needle connected to a 3 ml. plastic syringe.

"The Control group:~Patients in the control group will receive intraarticular TMJ and masseteric Trigger point dry needle insertion without injecting any solution. Each patient will receive four dry needle insertions at two-week intervals, aided by a 25-gauge and 3.8 cm length needle.~i.e., All the patients will be subjected to intraarticular needle insertion. However, only the patients within the study group will be injected with the Dextrose Prolotherapy solution."