{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T16:55:55Z","timestamp":1790182555346,"version":"4.1.0"},"reference-count":42,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2015,7,1]],"date-time":"2015-07-01T00:00:00Z","timestamp":1435708800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100000024","name":"Canadian Institutes of Health Research","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000024","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001804","name":"Canada Research Chairs","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001804","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J of Oral Rehabilitation"],"published-print":{"date-parts":[[2015,11]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>Sleep bruxism (<jats:styled-content style=\"fixed-case\">SB<\/jats:styled-content>) is a repetitive jaw\u2010muscle activity characterised by clenching or grinding of the teeth during sleep. Sleep bruxism activity is characterised by rhythmic masticatory muscle activity (<jats:styled-content style=\"fixed-case\">RMMA<\/jats:styled-content>). Many but not all <jats:styled-content style=\"fixed-case\">RMMA<\/jats:styled-content> episodes are associated with sleep arousal. The aim of this study was to evaluate whether transient oxygen saturation level change can be temporally associated with genesis of <jats:styled-content style=\"fixed-case\">RMMA<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">SB<\/jats:styled-content>. Sleep laboratory or home recordings data from 22 <jats:styled-content style=\"fixed-case\">SB<\/jats:styled-content> (tooth grinding history in the absence of reported sleep\u2010disordered breathing) and healthy subjects were analysed. A total of 143 <jats:styled-content style=\"fixed-case\">RMMA<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">SB<\/jats:styled-content> episodes were classified in four categories: (i) no arousal\u00a0+\u00a0no body movement; (ii) arousal\u00a0+\u00a0no body movement; (iii) no arousal\u00a0+\u00a0body movement; (iv) arousal\u00a0+\u00a0body movement. Blood oxygen levels (<jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>a<jats:styled-content style=\"fixed-case\">O<\/jats:styled-content><jats:sub>2<\/jats:sub>) were assessed from finger oximetry signal at the baseline (before <jats:styled-content style=\"fixed-case\">RMMA<\/jats:styled-content>), and during <jats:styled-content style=\"fixed-case\">RMMA<\/jats:styled-content>. Significant variation in <jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>a<jats:styled-content style=\"fixed-case\">O<\/jats:styled-content><jats:sub>2<\/jats:sub> over time (<jats:italic>P\u00a0<\/jats:italic>=\u00a00\u00b7001) was found after <jats:styled-content style=\"fixed-case\">RMMA<\/jats:styled-content> onset (+7 to +9\u00a0s). No difference between categories (<jats:italic>P\u00a0<\/jats:italic>=\u00a00\u00b791) and no interaction between categories and <jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>a<jats:styled-content style=\"fixed-case\">O<\/jats:styled-content><jats:sub>2<\/jats:sub> variation over time (<jats:italic>P\u00a0<\/jats:italic>=\u00a00\u00b710) were observed. <jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>a<jats:styled-content style=\"fixed-case\">O<\/jats:styled-content><jats:sub>2<\/jats:sub> of six of 22 subjects (27%) remained equal or slight increase after the <jats:styled-content style=\"fixed-case\">RMMA<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">SB<\/jats:styled-content> onset (+8\u00a0s) compared to baseline; 10 subjects (45%) slightly decreased (drop 0\u00b701\u20131%) and the remaining (27%) decreased between 1% and 2%. These preliminary findings suggest that a subgroup of <jats:styled-content style=\"fixed-case\">SB<\/jats:styled-content> subjects had (i) a minor transient hypoxia potentially associated with the onset of <jats:styled-content style=\"fixed-case\">RMMA<\/jats:styled-content> episodes, and this (ii) independently of concomitant sleep arousal or body movements.<\/jats:p>","DOI":"10.1111\/joor.12323","type":"journal-article","created":{"date-parts":[[2015,7,1]],"date-time":"2015-07-01T15:40:34Z","timestamp":1435765234000},"page":"810-818","source":"Crossref","is-referenced-by-count":47,"title":["Could transient hypoxia be associated with rhythmic masticatory muscle activity in sleep bruxism in the absence of sleep\u2010disordered breathing? A preliminary report"],"prefix":"10.1111","volume":"42","author":[{"given":"I. E.","family":"Dumais","sequence":"first","affiliation":[{"name":"Facult\u00e9 de m\u00e9decine dentaire Universit\u00e9 de Montr\u00e9al Montr\u00e9al QC Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G. J.","family":"Lavigne","sequence":"additional","affiliation":[{"name":"Facult\u00e9 de m\u00e9decine dentaire Universit\u00e9 de Montr\u00e9al Montr\u00e9al QC Canada"},{"name":"Centre de recherche H\u00f4pital du Sacr\u00e9\u2010C\u0153ur de Montr\u00e9al Montr\u00e9al QC Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M. C.","family":"Carra","sequence":"additional","affiliation":[{"name":"Facult\u00e9 de m\u00e9decine dentaire Universit\u00e9 de Montr\u00e9al Montr\u00e9al QC Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P. 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T.","family":"Huynh","sequence":"additional","affiliation":[{"name":"Facult\u00e9 de m\u00e9decine dentaire Universit\u00e9 de Montr\u00e9al Montr\u00e9al QC Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2015,7]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.12011"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2842.2008.01881.x"},{"key":"e_1_2_10_4_1","first-page":"739","article-title":"Restless legs syndrome and sleep bruxism: prevalence and association among Canadians","volume":"17","author":"Lavigne GJ","year":"1994","journal-title":"Sleep"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/B978-1-4160-6645-3.00099-2"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2842.2008.01880.x"},{"key":"e_1_2_10_7_1","first-page":"53","volume-title":"Bruxism Theory and Practice","author":"Lobbezoo 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