Studies of temporomandibular joint sounds; Part 4. Phase relations of TMJ sounds and jaw movement.

M Motoyoshi, P L Sadowsky, K Kamijo, M Fukui, S Namura
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引用次数: 2

Abstract

A study was conducted to investigate the timing relationship of temporomandibular joint (TMJ) sounds during mandibular movement, as evaluated by the location of the condyle, in relation to the articular fossa using axiograph recording. TMJ sounds during jaw opening and closing occurred over a wide range: opening sounds were observed within a range of 41-100% of maximum opening, while closing sounds occurred within 1-80% of maximum opening. In calculating the peak frequency of the joint sounds, it was noted that there was no correlation between the timing of the sound and its peak frequency. This study revealed that the acoustic characteristics of TMJ sounds may be unaffected by the location of the condyle.

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颞下颌关节发音的研究;第4部分。颞下颌关节音与下颌运动的相位关系。
本文研究了下颌运动时颞下颌关节(TMJ)声音的时间关系,通过使用轴向仪记录髁突与关节窝的位置来评估。下颌开闭时TMJ发声发生的范围很广:开口发声发生在最大开口的41-100%范围内,而闭合发声发生在最大开口的1-80%范围内。在计算关节声音的峰值频率时,注意到声音的时间与其峰值频率之间没有相关性。本研究揭示TMJ声音的声学特征可能不受髁突位置的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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