{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T02:52:10Z","timestamp":1772160730699,"version":"3.50.1"},"reference-count":47,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2024,6,4]],"date-time":"2024-06-04T00:00:00Z","timestamp":1717459200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Oral Rehabilitation"],"published-print":{"date-parts":[[2024,8]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Electromyographic activity (EMG) of masticatory muscles during wakefulness is understudied. It is unclear if single channel ambulatory EMG devices are sensitive enough to detect masticatory muscle activity (MMA) during wakefulness.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To compare the MMA of various oral tasks recorded with a single channel EMG device ((Grindcare4\u2010datalogger Prototype device) (GC4\u2010\u03b2)) and a conventional EMG (cEMG) device.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>EMG activity of 30 standardised oral tasks was recorded unilaterally from the masseter and anterior temporalis muscle in 24 healthy volunteers using GC4\u2010\u03b2 and a cEMG device. To compare the EMG data, signal\u2010to\u2010noise ratios (SNR) were calculated as a way to normalise EMG activity across tasks. Analysis of variance was used to compare the SNR between the devices, muscles and oral tasks.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      SNR measured from GC4\u2010\u03b2 was overall significantly higher than the cEMG device (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=.001). The SNR for maximum voluntary contraction (MVC) was significantly higher than all other tasks (\n                      <jats:italic>p &lt;<\/jats:italic>\n                      .001). SNR for temporalis with GC4\u2010\u03b2 was significantly higher for MVC, hard food, soft food, gum chewing (dominant side), rhythmic clenching and upper lip biting compared to the cEMG device (\n                      <jats:italic>p &lt;<\/jats:italic>\n                      .021). The SNR for masseter with GC4\u2010\u03b2 was significantly higher for hard food and gum chewing (dominant side), rhythmic clenching, rhythmic biting of an object and yawning compared to the cEMG device (\n                      <jats:italic>p &lt;<\/jats:italic>\n                      .022).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>This study provides novel insight into the EMG patterns of numerous oral tasks enhancing knowledge of physiological differences between the masticatory muscles. Further, single channel EMG devices can effectively measure the EMG activity of various oral tasks during wakefulness.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/joor.13714","type":"journal-article","created":{"date-parts":[[2024,6,5]],"date-time":"2024-06-05T01:30:15Z","timestamp":1717551015000},"page":"1599-1609","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Signal to noise ratio of masticatory muscle activity of functional and non\u2010functional oral tasks"],"prefix":"10.1111","volume":"51","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8043-2927","authenticated-orcid":false,"given":"Simple Futarmal","family":"Kothari","sequence":"first","affiliation":[{"name":"Section for Orofacial Pain and Jaw Function, Department of Dentistry and Oral Health Aarhus University  Aarhus Denmark"},{"name":"Scandinavian Center for Orofacial Neurosciences (SCON)  Aarhus Denmark"},{"name":"Hammel Neurorehabilitation and University Research Clinic  Hammel Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anupriyadarshini","family":"Devendran","sequence":"additional","affiliation":[{"name":"Section for Orofacial Pain and Jaw Function, Department of Dentistry and Oral Health Aarhus University  Aarhus Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3729-3524","authenticated-orcid":false,"given":"Abhishek","family":"Kumar","sequence":"additional","affiliation":[{"name":"Scandinavian Center for Orofacial Neurosciences (SCON)  Aarhus Denmark"},{"name":"Department of Dental Medicine Karolinska Institutet  Huddinge Sweden"},{"name":"Academic Centre for Geriatric Dentistry  Stockholm Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fernanda P.","family":"de Caxias","sequence":"additional","affiliation":[{"name":"Department of Dental Materials and Prosthodontics S\u00e3o Paulo State 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