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KMID : 0355219920170010017
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Journal of Korean Academy Oral Medicine
1992 Volume.17 No. 1 p.17 ~ p.28
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A SYUDY ON TMJ SOUND BY SONOPAK
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Abstract
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The purpose of this study was to investigate the characteristics of TMJ sounds by computerized sound power-spectrum analyser (SONOPAK, Bioresearch Inc., U.S.A). TMJ sounds were recorded and analysed in the 87 patients with TMJ noises by SOXOPAK.
@ES The followings are the criteria of TMJ sound analysis.
@EN 1. It possible to record the location of the TMJ sound in relation to the opening closing cycle of mouth.
2. It is possible to record the location of the TMJ sound in relation to the opening closing cycle of mouth.
3. Clicks display a narrow band of sound within the 0-300 Hz range. The peak frequency generally occurs between 50 - 150 Hz. And crepitus appear as a wide band of sound, occuring from 0 -1300 Hz.
The data obtained from quantitative TMJ sound analysis give lots of information but further researches needed.
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KEYWORD
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