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Oral Myofunctional Therapy (<jats:styled-content style=\"fixed-case\">OMT<\/jats:styled-content>) aims to treat malocclusions by improving the oral environment through re\u2010education of musculature and respiratory patterns. Although the concept of <jats:styled-content style=\"fixed-case\">OMT<\/jats:styled-content> has existed since the early part of the 20th Century, many of its purported benefits for the treatment of malocclusion remain undemonstrated in the scientific literature. However, a more recent application of <jats:styled-content style=\"fixed-case\">OMT<\/jats:styled-content> for the treatment of Obstructive Sleep Apnoea (<jats:styled-content style=\"fixed-case\">OSA<\/jats:styled-content>) suggests some benefits, although more research is needed to clarify this effect. Prefabricated functional appliances (<jats:styled-content style=\"fixed-case\">PFA<\/jats:styled-content>s) are sometimes advocated as part of myofunctional training programs. In the past decade, controlled clinical investigations have demonstrated that <jats:styled-content style=\"fixed-case\">PFA<\/jats:styled-content>s can improve Class <jats:styled-content style=\"fixed-case\">II<\/jats:styled-content> Division 1 malocclusions in compliant patients. Compared with traditional functional appliances, <jats:styled-content style=\"fixed-case\">PFA<\/jats:styled-content>s might be more cost effective; however, this must be balanced against compliance problems and evidence suggesting that other types of functional appliances might give better treatment results in a comparable time frame.<\/jats:p>","DOI":"10.1111\/adj.12690","type":"journal-article","created":{"date-parts":[[2019,3,28]],"date-time":"2019-03-28T19:18:57Z","timestamp":1553800737000},"page":"135-144","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":45,"title":["Myofunctional therapy and prefabricated functional appliances: an overview of the history and evidence"],"prefix":"10.1111","volume":"64","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4952-043X","authenticated-orcid":false,"given":"M","family":"Wishney","sequence":"first","affiliation":[{"name":"Discipline of Orthodontics Faculty of Dentistry University of Sydney Sydney New South Wales Australia"},{"name":"Dental Hospital Sydney Local Health District Surry Hills New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8906-8153","authenticated-orcid":false,"given":"MA","family":"Darendeliler","sequence":"additional","affiliation":[{"name":"Discipline of Orthodontics Faculty of Dentistry University of Sydney Sydney New South Wales Australia"},{"name":"Dental Hospital Sydney Local Health District Surry Hills New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3005-829X","authenticated-orcid":false,"given":"O","family":"Dalci","sequence":"additional","affiliation":[{"name":"Discipline of Orthodontics Faculty of Dentistry University of Sydney Sydney New South Wales Australia"},{"name":"Dental Hospital Sydney Local Health District Surry Hills New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,4,29]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jsmc.2014.03.002"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajodo.2003.12.019"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.14219\/jada.archive.1975.0075"},{"key":"e_1_2_10_5_1","unstructured":"Myofunctional Resech Co.Find A Mybrace Practitioner. 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