(15-04-10) Correlation between stress, stress-coping and current sleep bruxism

Maria Giraki1 , Christine Schneider2 , Ralf Sch?fer2 , Preeti Singh1 , Matthias Franz2 , Wolfgang HM Raab1 and Michelle A Ommerborn1 1 Department of Operative and Preventive Dentistry and Endodontics, Heinrich-Heine-University D?sseldorf, Moorenstr 5, 40225 D?sseldorf, Germany 2 Clinical Institute of Psychosomatic Medicine and Psychotherapy, Heinrich-Heine-University D?sseldorf, Moorenstr 5, 40225 D?sseldorf, Germany author email corresponding author email Head & Face Medicine 2010, 6:2doi:10.1186/1746-160X-6-2 Published: 5 March 2010 Abstract Background Stress is discussed as a potential factor in the development of sleep bruxism (SB).
The aim of this study was to investigate whether specific stress-factors correlate with SB-activity. Methods Sixty-nine subjects, of which 48 were SB-patients, completed three German questionnaires assessing different stress-parameters and stress-coping-strategies: Short questionnaire for recognition of stress-factors (Kurzer Fragebogen zur Erfassung von Belastungen, KFB), Questionnaire for recuperation and strain (Erholungs-Belastungs-Fragebogen, EBF-24 A/3) and the stress-coping questionnaire (Stressverarbeitungsfragebogen-78, SVF-78). The diagnosis of SB was based on the clinical criteria of the American Academy of Sleep Medicine (AASM). The degree of SB-activity was measured by the Bruxcore-Bruxism-Monitoring-Device (BBMD, Bruxcore, Boston, USA), worn for five consecutive nights and analyzed using a computer-based method. Non-parametric Spearman correlation coefficients, rho, were calculated between the psychometric data and the amount of SB-activity measured by a pixel score of the BBMD. Results Significant correlations were found for 'daily problems' (r = 0.461, p < 0.01), 'trouble at work' (r = 0.293), 'fatigue' (r = 0.288), 'physical problems' (r = 0.288) and the coping-strategy 'escape' (r = 0.295) (all p < 0.05). Conclusions Within the limitations of this study it could be shown that subjects with high SB-activity tend to feel more stressed at work and in their daily life, which in turn might influence their physical state. These subjects also seem to deal with stress in a negative way. However, due to the rather low to almost moderate correlation coefficients and the descriptive character of the study, further investigations are necessary to examine a possible causal relationship.

Source: PubMed

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