{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T14:56:05Z","timestamp":1786978565157,"version":"build-2736575974"},"reference-count":31,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2019,7,21]],"date-time":"2019-07-21T00:00:00Z","timestamp":1563667200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["R01DE018569"],"award-info":[{"award-number":["R01DE018569"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["R01DE024522\u201001S1"],"award-info":[{"award-number":["R01DE024522\u201001S1"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Oral Rehabilitation"],"published-print":{"date-parts":[[2019,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Although the development of reliable diagnostic criteria for temporomandibular disorders (TMDs) has operationalised identification of a subgroup with myofascial pain (mTMD), causal mechanisms remain elusive. This study examines masticatory muscle activity (MMA) in more homogenous research subgroups of mTMD. Data from an existing case\u2010control study of women were used to subcategorise mTMD cases based on joint pain with palpation to isolate muscle\u2010only pain (M\u2010pain) vs muscle and joint pain (MJ\u2010pain). Differences in laboratory indicators of MMA, specifically research diagnostic criteria for sleep bruxism (SB) and high background EMG activity, and other clinical and sociodemographic indicators were examined between groups. Compared to controls, the MJ\u2010pain subgroup did not show elevated background EMG or sleep bruxism. In contrast, the M\u2010pain subgroup showed significantly higher background EMG and a trend towards elevated prevalence of sleep bruxism. These results may explain why it has been difficult for studies of SB in mixed TMD and even mTMD samples to find a consistent positive association, since a positive association may be limited to mTMD without joint pain. The subcategorising of mTMD based on joint pain with palpation (ie M\u2010pain, MJ\u2010pain) appears to reveal subgroups with relatively high and low sleep masticatory muscle\u2010specific activity. Findings need replication in a larger study with updated mTMD diagnostic criteria, but may prove useful for understanding mechanism of pain maintenance in mTMD with and without joint pain.<\/jats:p>","DOI":"10.1111\/joor.12853","type":"journal-article","created":{"date-parts":[[2019,7,4]],"date-time":"2019-07-04T20:09:36Z","timestamp":1562270976000},"page":"1161-1169","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Absence of joint pain identifies high levels of sleep masticatory muscle activity in myofascial temporomandibular disorder"],"prefix":"10.1111","volume":"46","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9047-4837","authenticated-orcid":false,"given":"Vivian","family":"Santiago","sequence":"first","affiliation":[{"name":"New York University College of Dentistry New York New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2804-8124","authenticated-orcid":false,"given":"Karen","family":"Raphael","sequence":"additional","affiliation":[{"name":"New York University College of Dentistry New York New York"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,7,21]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2842.2010.02074.x"},{"issue":"90","key":"e_1_2_8_3_1","first-page":"97","article-title":"Temporomandibular disorders: a survey of dentists' knowledge and beliefs","volume":"124","author":"Resche L","year":"1993","journal-title":"J Am Dent Assoc"},{"key":"e_1_2_8_4_1","first-page":"216","article-title":"Knowledge and beliefs of dentists regarding temporomandibular disorders and chronic pain","volume":"8","author":"Glaros AG","year":"1994","journal-title":"J Orofac Pain"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0579.2007.00458.x"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.12011"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.12413"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.12425"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.12663"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tripleo.2010.02.013"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.14219\/jada.archive.2012.0068"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.12310"},{"key":"e_1_2_8_13_1","first-page":"301","article-title":"Research diagnostic criteria for temporomandibular disorders: review, criteria, examinations and specifications, critique","volume":"6","author":"Dworkin S","year":"1992","journal-title":"J Craniomand Disord"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.adaj.2016.01.007"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1179\/crn.2008.004"},{"key":"e_1_2_8_16_1","first-page":"190","article-title":"Association between rhythmic masticatory muscle activity during sleep and masticatory myofascial pain: a polysomnographic study","volume":"22","author":"Rossetti LM","year":"2008","journal-title":"J Orofac Pain"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1177\/00220345960750010601"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.12112"},{"key":"e_1_2_8_19_1","first-page":"6","article-title":"Diagnostic criteria for temporomandibular disorders (DC\/TMD) for clinical and research applications: recommendations of the International RDC\/TMD Consortium Network* and Orofacial Pain Special Interest Group","volume":"28","author":"Schiffman E","year":"2014","journal-title":"J Orofac Pain"},{"key":"e_1_2_8_20_1","first-page":"7","article-title":"The research diagnostic criteria for temporomandibular disorders. 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