Abstract
To evaluate the efficacy of lavage manipulation technique, 15 patients with persistent closed lock of the TMJ were treated by this method. The patients consisted of 1 male and 14 females. Age of the patients ranged from 18 to 66 years, with an average age of 33 years.This technique was followed by pumping of the upper compartment to distend the joint space after local anesthesia with sedation in the outpatient clinic. Two 18-gauge needles were inserted into the superior compartment to enable a free flow of the solution through the joint space. Physiological saline solution was injected via one of the needles under a sufficient pressure to irrigate 200 to 500 ml of the solution a during 20-minute period. During a 3-month follow-up of the method, interincisal mouth opening of the patients improved from a range of 7 to 25 mm, with an average opening of 14.9 mm.The results indicate that lavage manipulation technique is an effective method for treating patients with closed lock which can be performed under local anesthesia with sedation in the outpatient clinic.
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