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Comparative Study
Joint vibration analysis in patients with articular inflammation.
- A R Garcia, M C Madeira, G Paiva, and K A Olivieri.
- College of Lins, UNIMEP, State of São Paulo, Brazil.
- Cranio. 2000 Oct 1;18(4):272-9.
AbstractThe study of articular sounds using a computerized system (SonoPAK) in patients with temporomandibular disorders (TMD) of inflammatory origin revealed an increase of vibratory energy when compared to asymptomatic individuals. The following conclusions were reached: 1. The amount of vibratory energy registered in these patients ranged from 8.50 to 57.61 Hz. The major vibrations occurred in the middle of the mandibular opening cycle; 2. The mean vibratory energy measured at less than 300 Hz was between 5.70 and 48.64 Hz and at higher than 300 Hz was between 3.70 and 8.99 Hz; 3. The peak amplitude in the patients with inflammation ranged from 0.35 to 3.96 Pascal and the peak of frequency from 83.20 to 120.20 Hz.
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