{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T14:25:44Z","timestamp":1790605544318,"version":"4.1.0"},"reference-count":50,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2023,8,24]],"date-time":"2023-08-24T00:00:00Z","timestamp":1692835200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["pericles.pericles-gcp.literatumonline.com"],"crossmark-restriction":true},"short-container-title":["J of Oral Rehabilitation"],"published-print":{"date-parts":[[2023,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>There is limited knowledge of the possible side\u2010effects of clear aligners on jaw function.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To determine the short\u2010term effect of passive clear aligners (PCAs) on masticatory muscle activity (MMA), occlusal discomfort (OD) and temporomandibular disorder (TMD) symptoms in adults with different levels of self\u2010reported oral parafunction.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>\n                      Participants were screened for oral parafunctional behaviours using the oral behavioural checklist. Respondents in \u226585th and \u226415th percentiles were invited to participate and allocated to a high (HPF:\n                      <jats:italic>N<\/jats:italic>\n                      \u2009=\u200915) or low (lower parafunction [LPF]:\n                      <jats:italic>N<\/jats:italic>\n                      \u2009=\u200916) parafunction group. Participants underwent a TMD clinical examination; somatisation and somatosensory amplification were assessed by questionnaires; OD and stress were assessed by visual analogue scales. While wearing PCAs, awake\u2010time MMA was assessed three times over 9\u2009days using a wearable electromyography device, along with OD, stress and TMD symptoms.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The wearing of PCAs was associated with a significant decrease in mean contraction episode amplitude in both groups (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.003). OD levels increased and remained raised in all participants after insertion of the PCAs (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001), more so in the HPF group (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.048). The HPF group had higher somatisation scores (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.006) and reported more TMD symptoms at all time points (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009\u2264\u20090.004). No significant changes in stress or TMD symptoms were found in either group during the study period.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>PCAs were associated with a decrease in MMA in all participants. HPF individuals had greater somatisation and reported greater discomfort when wearing PCAs than LPF individuals.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/joor.13575","type":"journal-article","created":{"date-parts":[[2023,8,24]],"date-time":"2023-08-24T06:49:05Z","timestamp":1692859745000},"page":"1409-1421","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["The effect of passive clear aligners on masticatory muscle activity in adults with different levels of oral parafunction"],"prefix":"10.1111","volume":"50","author":[{"given":"Nicholas","family":"Pittar","sequence":"first","affiliation":[{"name":"Sir John Walsh Research Institute, Faculty of Dentistry University of Otago  Dunedin New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fiona","family":"Firth","sequence":"additional","affiliation":[{"name":"Sir John Walsh Research Institute, Faculty of Dentistry University of Otago  Dunedin New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hamza","family":"Bennani","sequence":"additional","affiliation":[{"name":"Sir John Walsh Research Institute, Faculty of Dentistry University of Otago  Dunedin New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4516-647X","authenticated-orcid":false,"given":"Mauro","family":"Farella","sequence":"additional","affiliation":[{"name":"Sir John Walsh Research Institute, Faculty of Dentistry University of Otago  Dunedin New Zealand"},{"name":"Discipline of Orthodontics, Department of Surgical Sciences University of Cagliari  Cagliari Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,8,24]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/adj.12480"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajodo.2008.09.020"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajodo.2006.05.031"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1093\/ejo\/cju083"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.2319\/062113-466"},{"issue":"3","key":"e_1_2_10_7_1","first-page":"15","article-title":"Invisalign in TMD treatment","volume":"20","author":"Miller D","year":"2009","journal-title":"Int J Orthod"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00784-016-1870-8"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.coms.2018.04.011"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpain.2011.08.006"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.12011"},{"issue":"11","key":"e_1_2_10_12_1","first-page":"15323","article-title":"Assessment of oral parafunctional behaviors and electromyographic activities of the masticatory muscles in young female patients with orthodontic Invisalign treatment","volume":"10","author":"Liu P","year":"2017","journal-title":"Int J Clin Exp Med"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.1186\/s40510-018-0228-y"},{"key":"e_1_2_10_14_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.13170"},{"key":"e_1_2_10_15_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00784-018-2785-3"},{"key":"e_1_2_10_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajodo.2020.08.012"},{"key":"e_1_2_10_17_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.13219"},{"key":"e_1_2_10_18_1","doi-asserted-by":"publisher","DOI":"10.1093\/ejo\/cjp093"},{"key":"e_1_2_10_19_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/23.6.783"},{"key":"e_1_2_10_20_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.c869"},{"key":"e_1_2_10_21_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0722.2008.00560.x"},{"key":"e_1_2_10_22_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.13221"},{"key":"e_1_2_10_23_1","doi-asserted-by":"publisher","DOI":"10.1177\/154405910508400712"},{"key":"e_1_2_10_24_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0722.2005.00243.x"},{"key":"e_1_2_10_25_1","doi-asserted-by":"publisher","DOI":"10.11607\/jop.1151"},{"key":"e_1_2_10_26_1","doi-asserted-by":"publisher","DOI":"10.1002\/bs.3830190102"},{"key":"e_1_2_10_27_1","doi-asserted-by":"publisher","DOI":"10.1111\/ipd.12011"},{"key":"e_1_2_10_28_1","doi-asserted-by":"publisher","DOI":"10.1067\/mod.2000.99142"},{"key":"e_1_2_10_29_1","first-page":"21","volume-title":"In","author":"Viteporn SA","year":"1995"},{"key":"e_1_2_10_30_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2842.1983.tb00123.x"},{"key":"e_1_2_10_31_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.prosdent.2021.01.023"},{"issue":"2","key":"e_1_2_10_32_1","first-page":"24","article-title":"Current knowledge on awake and sleep bruxism: overview","volume":"96","author":"Kato T","year":"2003","journal-title":"Alpha Omegan"},{"key":"e_1_2_10_33_1","volume-title":"Genetic and Environmental Factors Associated with Hypodontia: Discipline of Orthodontics","author":"Al\u2010Ani A","year":"2016"},{"key":"e_1_2_10_34_1","doi-asserted-by":"publisher","DOI":"10.2319\/052512-432.1"},{"key":"e_1_2_10_35_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00784-020-03650-5"},{"issue":"2","key":"e_1_2_10_36_1","first-page":"1","article-title":"Short\u2010term effect of orthodontic treatment with clear aligners on pain and sEMG activity of masticatory muscles","volume":"57","author":"Nota A","year":"2021","journal-title":"Medicina (Kaunas)"},{"issue":"2","key":"e_1_2_10_37_1","first-page":"21","article-title":"Effects of clear aligners on sleep bruxism: randomized controlled trial","volume":"32","author":"Castroflorio T","year":"2018","journal-title":"J Biol Regul Homeost"},{"key":"e_1_2_10_38_1","doi-asserted-by":"publisher","DOI":"10.11607\/ofph.1478"},{"key":"e_1_2_10_39_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-2842.2003.01139.x"},{"key":"e_1_2_10_40_1","doi-asserted-by":"publisher","DOI":"10.1177\/10454411980090030701"},{"key":"e_1_2_10_41_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.13088"},{"key":"e_1_2_10_42_1","doi-asserted-by":"publisher","DOI":"10.1093\/ejo\/21.4.397"},{"issue":"2","key":"e_1_2_10_43_1","article-title":"Short term evaluation of the effects of orthodontic clear aligners on sleep bruxism activity","volume":"12","author":"Bargellini A","year":"2016","journal-title":"Iran J Orthod"},{"key":"e_1_2_10_44_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpain.2013.06.007"},{"key":"e_1_2_10_45_1","first-page":"168","article-title":"Effects of experimental occlusal interferences in individuals reporting different levels of wake\u2010time parafunctions","volume":"26","author":"Michelotti A","year":"2012","journal-title":"J Orofac Pain"},{"key":"e_1_2_10_46_1","doi-asserted-by":"publisher","DOI":"10.1111\/eos.12258"},{"key":"e_1_2_10_47_1","doi-asserted-by":"publisher","DOI":"10.3390\/ijerph16152735"},{"key":"e_1_2_10_48_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpain.2013.07.018"},{"issue":"7","key":"e_1_2_10_49_1","first-page":"233","article-title":"Effect of occlusion\u2010raising procedures on the chewing system","volume":"20","author":"Christensen J","year":"1970","journal-title":"Dent Pract Dent Rec"},{"key":"e_1_2_10_50_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.archoralbio.2018.10.030"},{"key":"e_1_2_10_51_1","doi-asserted-by":"publisher","DOI":"10.1111\/joor.12452"}],"container-title":["Journal of Oral Rehabilitation"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/joor.13575","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,11,29]],"date-time":"2023-11-29T06:31:28Z","timestamp":1701239488000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/joor.13575"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,8,24]]},"references-count":50,"journal-issue":{"issue":"12","published-print":{"date-parts":[[2023,12]]}},"alternative-id":["10.1111\/joor.13575"],"URL":"https:\/\/doi.org\/10.1111\/joor.13575","archive":["Portico"],"relation":{},"ISSN":["0305-182X","1365-2842"],"issn-type":[{"value":"0305-182X","type":"print"},{"value":"1365-2842","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,8,24]]},"assertion":[{"value":"2023-02-17","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2023-08-11","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2023-08-24","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}