Factors associated to the occurrence of joint sounds

Alício Rosalino Garcia, Ronald Jefferson Martins, Cléa Adas Saliba Garbin, Paulo Renato Junqueira Zuim, Maria Lúcia Marçal Mazza Sundefeld


This study aimed to verify the association of gender, economic class, quality of sleep and stress with the occurrence of joint vibration. The population of this study was made up initially by 160 individuals of both sexes in the city of Piacatu, São Paulo, Brazil, which applied the Fonseca’s Questionnaire, to check the degree of temporomandibular joint dysfunction (TMD). Later, individuals with moderate and severe dysfunction were classified economically through the Criterion of Economic Classification Brazil (CCEB), aswered to the translation of the Sleep Assessment Questionnaire of Toronto (SAQ) and the Social Readjustment Rating Scale (SRRS), to verify the degree of stress. There was also an examining of electrovibratographic. From the total, 37 (23.1%) subjects had moderate or severe dysfunction, of which 20 (54.1%) were female, 21 (56.8%) belonged to “D Class”, 29 (78.4%) had sleep disorders, 24 (64.8%) higher degrees of stress and 19 (51.4%) joint vibration. There is a statistically significant association between quality of sleep and economic class in the occurrence of joint vibration.


Temporomandibular joint; Social class; Temporomandibular joint dysfunction syndrome; Sleep disorders; Stress

DOI: https://doi.org/10.22456/2177-0018.6499

Licença Creative Commons

e-ISSN 2177-0018 / ISSN 0566-1854.

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