Abstract
Abstract Introduction: Temporomandibular Disorder (TMD) is caused by multiple factors and exhibits various symptoms. Its most common symptom is pain, a factor that can influence the quality of an individual's sleep. Objective: The aim of the present study was to assess the correlation between TMD and sleep. Methods: A cross-sectional study was conducted with 60 women, aged between 18 and 40 years, who had been diagnosed with TMD based on the Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD). Fonseca's anamnestic index (FAI) was used to classify the severity of the dysfunction. To complete the assessment, each volunteer was assessed using the visual analogue scale (VAS) for pain. They also responded to two questions related to their quality of sleep and the average hours of sleep per night. Results: The more severe the TMD, the fewer hours of sleep per night (r = -0.5663). In total, 63.33% of the volunteers reported not sleeping well. Concerning pain, the greater the VAS score, the less hours of sleep (r = -0.516) and the more severe the TMD. Conclusion: It was found that the severityof TMD was correlated with pain symptoms and the number of hours of sleep per night.
Highlights
Temporomandibular Disorder (TMD) is caused by multiple factors and exhibits various symptoms
Temporomandibular disorder (TMD) can be deined as a disorder that involves the muscles of mastication, the temporomandibular joint (TMJ) and associated structures [1, 2]
Sixty volunteers, aged between 18 and 40 years, who had been diagnosed with TMD through the Research Diagnostic Criteria for Temporomandibular Disorders(RDC/TMD) [17], were selected to participate in this research
Summary
Temporomandibular Disorder (TMD) is caused by multiple factors and exhibits various symptoms. Each volunteer was assessed using the visual analogue scale (VAS) for pain They responded to two questions related to their quality of sleep and the average hours of sleep per night. Its etiology is multi-factorial and involves different aspect, including muscle problems, occlusal issues, structural and postural abnormalities, psychological problems, parafunctional habits, degenerative processes and traumatic injuries [3]. Despite this characterization of varied symptomatology, pain is the most commonly observed symptom [4,5,6,7]. Sleep can be affected by the constant presence of nociceptive stimuli [12, 13]
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