{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T03:25:26Z","timestamp":1789961126912,"version":"4.0.1"},"reference-count":50,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2024,8,12]],"date-time":"2024-08-12T00:00:00Z","timestamp":1723420800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100009687","name":"Uniwersytet Medyczny im. Piast\u00f3w Slaskich we Wroclawiu","doi-asserted-by":"publisher","award":["SUBZ.B160.24.019"],"award-info":[{"award-number":["SUBZ.B160.24.019"]}],"id":[{"id":"10.13039\/501100009687","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Sleep Research"],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>The objective of the current study was to evaluate the clinical utility of bruxism episode index in predicting the level of masticatory muscle pain intensity. The study involved adults (<jats:italic>n<\/jats:italic>\u2009=\u2009220) recruited from the Outpatient Clinic of Temporomandibular Disorders at the Department of Experimental Dentistry, Wroclaw Medical University, during the period 2017\u20132022. Participants underwent medical interview and dental examination, focusing on signs and symptoms of sleep bruxism. The intensity of masticatory muscle pain was gauged using the Numeric Rating Scale. Patients identified with probable sleep bruxism underwent further evaluation through video\u2010polysomnography. Statistical analyses included the Shapiro\u2013Wilk test, Spearman's rank correlation test, association rules, receiver operating characteristic curves, linear regression, multivariate regression and prediction accuracy analyses. The analysis of correlation and one\u2010factor linear regression revealed no statistically significant relationships between bruxism episode index and Numeric Rating Scale (<jats:italic>p<\/jats:italic>\u2009&gt;\u20090.05 for all analyses). Examination of receiver operating characteristic curves and prediction accuracy indicated a lack of predictive utility for bruxism episode index in relation to masticatory muscle pain intensity. Multivariate regression analysis demonstrated no discernible relationship between bruxism episode index and Numeric Rating Scale across all examined masticatory muscles. In conclusion, bruxism episode index and masticatory muscle pain intensity exhibit no correlation, and bruxism episode index lacks predictive value for masticatory muscle pain. Clinicians are advised to refrain from employing the frequency of masticatory muscle activity as a method for assessing the association between masticatory muscle pain and sleep bruxism.<\/jats:p>","DOI":"10.1111\/jsr.14301","type":"journal-article","created":{"date-parts":[[2024,8,13]],"date-time":"2024-08-13T03:03:41Z","timestamp":1723518221000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Moving beyond bruxism episode index: Discarding misuse of the number of sleep bruxism episodes as masticatory muscle pain biomarker"],"prefix":"10.1111","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4953-7143","authenticated-orcid":false,"given":"Mieszko","family":"Wieckiewicz","sequence":"first","affiliation":[{"name":"Department of Experimental Dentistry Wroclaw Medical University  Wroclaw 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Amsterdam (ACTA) University of Amsterdam and Vrije Universiteit Amsterdam  Amsterdam The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joanna","family":"Smardz","sequence":"additional","affiliation":[{"name":"Department of Experimental Dentistry Wroclaw Medical University  Wroclaw Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jari","family":"Ahlberg","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Diseases University of Helsinki, Helsinki University Central Hospital, Head and Neck Center  Helsinki Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Efraim","family":"Winocur","sequence":"additional","affiliation":[{"name":"Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, Faculty of Medicine Tel Aviv University  Tel Aviv Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alona","family":"Emodi\u2010Perlman","sequence":"additional","affiliation":[{"name":"Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, Faculty of Medicine Tel Aviv University  Tel Aviv Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claudia","family":"Restrepo","sequence":"additional","affiliation":[{"name":"CES\u2010LPH Research Group, Faculty of Dentistry Universidad CES  Medellin Colombia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna","family":"Wojakowska","sequence":"additional","affiliation":[{"name":"Department and Clinic of Internal Medicine, Occupational Diseases, Hypertension and Clinical Oncology Wroclaw Medical University  Wroclaw Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pawel","family":"Gac","sequence":"additional","affiliation":[{"name":"Department of Population Health, 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