Long‐term variability of sleep bruxism and psychological stress in patients with jaw‐muscle pain: Report of two longitudinal clinical cases

Long‐term variability of sleep bruxism and psychological stress in patients with jaw‐muscle pain: Report of two longitudinal clinical cases

Summary Sleep bruxism (SB) and psychological stress are commonly considered as contributing factors in the aetiology of temporomandibular disorder (TMD) pain. However, the lack of longitudinal studies and fluctuating nature of SB, psychological stress and TMD pain have led to contradictory results r...

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Bibliographic Details
Published in:Journal of oral rehabilitation Vol. 45; no. 2; pp. 104 - 109
Main Authors: Muzalev, K., Visscher, C. M., Koutris, M., Lobbezoo, F.
Format: Journal Article
Language:English
Published: England Wiley Subscription Services, Inc 01-02-2018
Subjects:
Data processing
Dentistry
Jaw
Muscle pain
Myalgia
Pain
polysomnography
psychological stress
Sleep
sleep bruxism
temporomandibular disorders
polysomnography
sleep bruxism
psychological stress
temporomandibular disorders
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Summary:Summary Sleep bruxism (SB) and psychological stress are commonly considered as contributing factors in the aetiology of temporomandibular disorder (TMD) pain. However, the lack of longitudinal studies and fluctuating nature of SB, psychological stress and TMD pain have led to contradictory results regarding the association between the possible aetiological factors and TMD pain. In the present study we investigated the contribution of SB and psychological stress to TMD pain in a longitudinal study of 2 clinical TMD pain cases during a 6‐week study protocol. Two female volunteers with clinically diagnosed myalgia based on the Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) participated in the study. Questionnaires were used to record jaw‐muscle pain and psychological stress experience, and an ambulatory polysomnography technique was used to record SB intensity. Visual analysis of the data revealed that the intensity of TMD pain was not hardwired, neither with psychological stress experience nor with increased SB activity. Within the limitations of single‐patient clinical cases design, our study suggested that the presence of TMD pain cannot be explained by a simple linear model which takes psychological stress or SB into account. It also seems that psychological stress was a more important predictor factor for TMD pain than SB.
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ISSN:0305-182X
1365-2842
DOI:10.1111/joor.12594