Observational studyJournal of oral & facial pain and headache2026
Association of simple snoring and myogenous temporomandibular disorders based on polysomnographic examination.
Observational study in Journal of oral & facial pain and headache, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Not yet cited in PubMed.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Evaluation of the Quality of Sleep, Endothelial Function, Cardiovascular Risk, Thyroid Function, a Function of Masticatory Muscles and Psycho-emotional State of Patients With Sleep Bruxism
Assessment of Sleep Structure, Selected Blood Parameters, Respiratory Function, Genotype, Phenotype, Pain, Anxiety and Psychosomatization in Patients With Bruxism
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8 authors.
Funding
Abstract
backgroundThis study aims to evaluate the association between objectively measured snoring characteristics and masticatory muscle pain in patients with myogenous temporomandibular disorders (TMD), while excluding patients with obstructive sleep apnea.
methodsThis prospective study included 184 patients (mean age: 33.92 ± 10.05 years; 71.2% female) who underwent overnight polysomnography (PSG) and standardized TMD assessments. Snoring was quantified using acoustic recordings and parameters derived from PSG. Muscle pain intensity was assessed in the bilateral masseter and temporalis muscles. Correlation analyses and group comparisons were performed to examine the relationships between snoring characteristics (
resultsNo significant associations were found between primary snoring parameters and pain intensity. However, several snoring metrics,particularly those measured during specific body positions and sleep stages, especially during nonsupine rapid eye movement (REM) sleep-showed significant negative correlations with pain, mainly in the left masseter and temporalis muscles. Notably, higher snore intensity was associated with lower muscle pain, suggesting a potential modulatory effect. These relationships were lateralized and dependent on body position. Multivariate analysis did not identify independent predictors of pain. Although no direct link was observed between overall snoring and masticatory muscle pain, certain snoring patterns,particularly during nonsupine REM sleep-were inversely related to pain intensity.
conclusionsThese findings suggest a possible protective or modulatory role of snoring in TMD-related muscle pain and highlight the complex influences of sleep stage, body position, and laterality. CLINICAL
trial registrationInformation on clinical trial registration can be found at ClinicalTrials.gov (identifiers: NCT03083405, NCT04214561).
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