engleski

The influence of bruxism on temporomandibular joint sounds

The influence of bruxism on the development of signs and simptoms of TMD is unclear, some investigation reporting a positive relation between the two and others not. Objective of investigation: The aim of the present study was to examine the association between bruxism and TMJ joint sounds Methods: A group of 46 bruxers, aged from 24-52 years (X=35.03± ; ; ; 6.92) was examined. The control group consist of 50 nonbruxers, aged from 25-51 years (X=37.24± ; ; ; 6.37). Bruxism was assessed by questionnaire and by clinical examination. Sounds was registered by means of a clinical examination and auscultation by stethoscope and classified according to character in click or crepitation. Results: Temporomandibular joint sounds were present in 43, 5% of bruxers compared to 20% of nonbruxers (Chi-square 12, 294 p<0, 001). The most frequently sound in both groups was click. Click was present in 39, 1% of bruxers and 20% of nonbruxers (Chi-square 8, 488, p<0, 01). Crepitation was present only in the group of bruxers 6, 4% (Chi-square 6, 732 p>0, 05). Conclusion: The results of this investigation indicate that bruxism may have influence on temporomandibular joint sounds.

bruxizm; TMD

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