Stress levels and quality of sleep in subjects with temporomandibular joint dysfunction

• Published in: Revista odonto ciência 2010, Vol.25 (1), p.32-36
• Main Authors: Martins, Ronald Jefferson, Garbin, Cléa Adas Saliba, Garcia, Alício Rosalino, Garbin, Artênio José Ísper, Miguel, Natália
• Format: Article
• Language: English
• Subjects: DENTISTRY, ORAL SURGERY & MEDICINE
• ISSN: 1980-6523; 0102-9460; 1980-6523
• DOI: 10.1590/S1980-65232010000100007

Purpose: The aim of this study was to test the association between quality of sleep and stress in individuals with temporomandibular disorder (TMD). Methods: The study sample consisted of 354 adult subjects (males and females) from the municipality of Piacatu, São Paulo state, in the Southeast region of Brazil. Data were collected using the Fonseca's Questionnaire to record the level of TMD, the Pittsburgh Sleep Quality Index (PSQI) to assess quality of sleep and the Social Readjustment Rating Scale (SRRS) to record stress level. The data were analyzed by the software Epi Info 2000 version 3.2 using a chi-square test at the 0.05 level of significance. Results: One hundred and eighty (50.8%) subjects had some level of TMD. The statistical analysis showed a significant relationship between the three stress scores and the presence or absence of sleep disorders, considering an overall PSQI score > 5 as an indicator of a subject with sleep problems (P