{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,27]],"date-time":"2026-06-27T05:17:28Z","timestamp":1782537448010,"version":"3.54.5"},"reference-count":31,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2018,9,19]],"date-time":"2018-09-19T00:00:00Z","timestamp":1537315200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100005762","name":"National Taiwan University Hospital","doi-asserted-by":"publisher","award":["NTUH103\u2010S2348"],"award-info":[{"award-number":["NTUH103\u2010S2348"]}],"id":[{"id":"10.13039\/501100005762","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100005762","name":"National Taiwan University Hospital","doi-asserted-by":"publisher","award":["NTUH107\u2010S3775"],"award-info":[{"award-number":["NTUH107\u2010S3775"]}],"id":[{"id":"10.13039\/501100005762","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Oral Rehabilitation"],"published-print":{"date-parts":[[2018,12]]},"abstract":"<jats:title>Summary<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>The aim of this study was to analyse morphological changes in the upper airways in patients with anterior open bite treated with temporary anchorage devices for intrusion of upper posterior teeth.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Twelve nonobese (body mass index: &lt;25) anterior open bite patients between the ages of 19 and 44\u00a0years (mean age: 22.83\u00a0\u00b1\u00a08.19\u00a0years) were recruited for this study. Cephalometric radiographs and magnetic resonance imaging (<jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content>) scans before and after anterior bite closure without bracketing on anterior teeth were used to measure the upper airway, which was divided into retropalatal and retroglossal regions.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The mandibular plane angle and lower facial height were significantly reduced by intrusion of the upper posteriors and autorotation of the mandible. The retroglossal airway width (<jats:styled-content style=\"fixed-case\">AW<\/jats:styled-content>2) and retroglossal area (<jats:styled-content style=\"fixed-case\">RG<\/jats:styled-content> area) measured on cephalometric radiographs both increased significantly after treatment. Retroglossal volume increased and the retroglossal width\/length ratio decreased significantly in <jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> analysis. All other measurements were not significantly changed. However, no statistically significant correlations were observed between all measurements in 2D and 3D images, with the exception of the <jats:styled-content style=\"fixed-case\">AW<\/jats:styled-content>2 linear measurement in 2D images correlating with the <jats:styled-content style=\"fixed-case\">AP<\/jats:styled-content> length in <jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> axial view images (<jats:italic>r<\/jats:italic>\u00a0=\u00a00.56, <jats:italic>P<\/jats:italic>\u00a0=\u00a00.0430).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Counterclockwise rotation of the mandible after anterior open bite closed using orthodontic treatment changed the airway morphology. Retroglossal volume significantly increased and the airway shape became less elliptical after bite closure.<\/jats:p><\/jats:sec>","DOI":"10.1111\/joor.12712","type":"journal-article","created":{"date-parts":[[2018,8,22]],"date-time":"2018-08-22T19:50:05Z","timestamp":1534967405000},"page":"939-947","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Airway increase after open bite closure with temporary anchorage devices for intrusion of the upper posteriors: Evidence from 2D cephalometric measurements and 3D magnetic resonance imaging"],"prefix":"10.1111","volume":"45","author":[{"given":"Yunn\u2010Jy","family":"Chen","sequence":"first","affiliation":[{"name":"Division of Prosthodontics Department of Dentistry National Taiwan University Hospital  Taipei Taiwan"},{"name":"Graduate Institute of Clinical Dentistry School of Dentistry College of Medicine National Taiwan University  Taipei 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