{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T02:37:37Z","timestamp":1786934257845,"version":"build-2736575974"},"reference-count":27,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,11,15]],"date-time":"2021-11-15T00:00:00Z","timestamp":1636934400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Oral Rehabilitation"],"published-print":{"date-parts":[[2022,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Obstructive sleep apnea (OSA) is the most common sleep disorder due mainly to peripheral causes, characterized by repeated episodes of obstruction of the upper airways, associated with arousals and snoring. Sleep bruxism (SB) is a masticatory muscle activity during sleep that is characterized as rhythmic (phasic) or nonrhythmic (tonic) and is not a movement disorder or a sleep disorder in otherwise healthy individuals. Given the potentially severe consequences and complications of apnea, the concurrent high prevalence of SB in daily dental practice, getting deeper into the correlation between these phenomena is worthy of interest..<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Objectives<\/jats:title>\n                    <jats:p>The aim of this study was to investigate the correlation between SB\u2010related masseter muscle activity (MMA) and apnea\u2013hypopnea events as well as to assess their temporal sequence.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Thirty (\n                      <jats:italic>N<\/jats:italic>\n                      \u00a0=\u00a030) patients with sleep respiratory disorders and clinical suspicion of sleep bruxism (SB) were recruited. Ambulatory polygraphic recording was performed to detect apnea\u2013hypopnea events (AHEs) and sleep bruxism episodes (SBEs). Pearson test was used to assess the correlation between apnea\u2013hypopnea index (AHI) and SB index (SBI). A 5\u2010s time window with respect to the respiratory events was considered to describe the temporal distribution of SBEs. Furthermore, SBI was compared between groups of patients with different AHI severity (i.e., mild, moderate and severe) using ANOVA.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      On average, AHI was 27.1\u00a0\u00b1\u00a021.8 and SBI 9.1\u00a0\u00b1\u00a07.5. No correlation was shown between AHI and SBI. Most of SBEs (66.8%) occurred without a temporal relationship with respiratory events. Considering OSA, 65.7% of SBEs occurred within 5\u00a0s after AHEs, while in the case of central apnea (CA) 83.8% of SBEs occurred before the respiratory event. The participants with severe apnea (\n                      <jats:italic>N<\/jats:italic>\n                      \u00a0=\u00a09) show a tendency to have higher bruxism indexes when compared to patients with mild (\n                      <jats:italic>N<\/jats:italic>\n                      \u00a0=\u00a011) and moderate apnea (\n                      <jats:italic>N<\/jats:italic>\n                      \u00a0=\u00a010).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Findings suggest that: 1. At the study population level, there is no correlation between AHI and SBI, as well as any temporal relationship between SBEs and respiratory events. 2. Specific patterns of temporal relationship might be identified with future studies focusing on the different types of apnea\u2013hypopnea events and bruxism activities.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/joor.13271","type":"journal-article","created":{"date-parts":[[2021,10,21]],"date-time":"2021-10-21T14:39:37Z","timestamp":1634827177000},"page":"47-53","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":34,"title":["Temporal relationship between sleep\u2010time masseter muscle activity and apnea\u2013hypopnea events: A pilot study"],"prefix":"10.1111","volume":"49","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5869-2068","authenticated-orcid":false,"given":"Anna","family":"Colonna","sequence":"first","affiliation":[{"name":"Postgraduate School of Orthodontics University of Ferrara Ferrara Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luca","family":"Cerritelli","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology Ospedale Morgani\u2010Pierantoni Forl\u00ec Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luca","family":"Lombardo","sequence":"additional","affiliation":[{"name":"Postgraduate School of Orthodontics University of Ferrara Ferrara Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claudio","family":"Vicini","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology Ospedale Morgani\u2010Pierantoni Forl\u00ec Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rosario","family":"Marchese\u2010Ragona","sequence":"additional","affiliation":[{"name":"Section of ENT Pathology Department of Neuroscience University of Padova Padova Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luca","family":"Guarda\u2010Nardini","sequence":"additional","affiliation":[{"name":"Section of Dentistry and Maxillofacial Surgery Treviso Hospital Treviso Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4352-3085","authenticated-orcid":false,"given":"Daniele","family":"Manfredini","sequence":"additional","affiliation":[{"name":"School of Dentistry University of Siena Siena Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,11,15]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.12663"},{"issue":"7","key":"e_1_2_10_3_1","first-page":"358","article-title":"Bruxism: a summary of current knowledge on aetiology, assessment and management","volume":"13","author":"Manfredini D","year":"2019","journal-title":"Oral Surg"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/ipd.12308"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.11607\/jop.921"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.sleep.2009.10.005"},{"key":"e_1_2_10_7_1","volume-title":"International Classification of Sleep Disorders","author":"American Academy of Sleep Medicine","year":"2014"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.12011"},{"key":"e_1_2_10_9_1","first-page":"f2","article-title":"Sleep bruxism etiology: the evolution of a changing paradigm","volume":"81","author":"Klasser GD","year":"2015","journal-title":"J Can Dent Assoc"},{"key":"e_1_2_10_10_1","volume-title":"International classification of sleep disorders, 2nd ed.: Diagnostic and coding manual","author":"American Academy of Sleep Medicine","year":"2005"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11325-015-1163-5"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.1378\/chest.90.3.424"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.1111\/jsr.12099"},{"key":"e_1_2_10_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0003-9969(00)00044-3"},{"key":"e_1_2_10_15_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11325-015-1284-x"},{"issue":"4","key":"e_1_2_10_16_1","first-page":"299","article-title":"Sleep bruxism and sleepdisordered breathing: a systematic review","volume":"28","author":"De Luca CG","year":"2014","journal-title":"J Oral Facial Pain Headache"},{"key":"e_1_2_10_17_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.12468"},{"key":"e_1_2_10_18_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11325-019-01919-y"},{"key":"e_1_2_10_19_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.12833"},{"key":"e_1_2_10_20_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.12938"},{"key":"e_1_2_10_21_1","doi-asserted-by":"publisher","DOI":"10.5664\/jcsm.2172"},{"key":"e_1_2_10_22_1","first-page":"597","article-title":"The AASM manual for the scoring of sleep and associated events: rules, terminology and technical specifications","volume":"8","author":"Iber CA\u2010IS","year":"2012","journal-title":"Sleep Med"},{"key":"e_1_2_10_23_1","unstructured":"MedicalN. 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