The author examined the clinical signs and symptoms routine radiographs, laboratory test and bone scan in 73 subjects with TMJ disorders and studied the responses of clinical test on patients, the distribution of signs and symptoms of joints, the simple uptake rate(SUR) of affected joints , the SUR of subclassified groups of TMJ disorders, active joints of subclassified groups of IM disorders and the SUR of joints with noises.
The obtained results were as follows
1. The percentage of joint pain on palpation, joint noises, joint pain: on function, mandibular dysfunction and active finding of bone scan in patients with TMJ disorders were higher
2. The SUR was higher in joints affected by´ joint pain on function, joint pain on palpation,. mandibular dysfunction and crepitus.
3. The SUR of osteoarthrosis was the lowest
4. The percentage of active joints were the highest in joints with disodisplacerrrent without reduction, and followed by osteoarthritis, and disc displacement with reduction.
5. The SUR of TMJ showing joint noises only was lower.
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