In order to evaluate the outcome of conservative treatment for acute or chronic closed lock, 127 patients were subjected at the Dept. of Oral Medicine, PNUH, from 1991 through 1996. All the symptoms were analyzed and the results according to treatment modalities were compared before and after treatment;
1. Closed lock patients were more often seen in women of twenty and thirty.
2. The most common reasons for treatment were functional pain, limitation of mouth opening, restricted laterotrusion to non-affected side, deflection on opening but, on the contrary, noise was the least. 3. Most of closed lock patients were cured in six nuiths.
4. Conservative treatment including stabilization. splint produced better results.
5. Functional pain and limitation of mouth opening were relieved and maximum comfortable opening was exiiairded, but joint noise decreased in the chronic and increased in the acute.
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