{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T18:48:57Z","timestamp":1790621337313,"version":"4.1.0"},"reference-count":25,"publisher":"The Angle Orthodontist (EH Angle Education & Research Foundation)","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2013,3]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n        <jats:p>For patients with severe obstructive sleep apnea syndrome (OSAS), maxillomandibular advancement (MMA) offers a good treatment option by physically expanding the skeletal framework. However, facial esthetics can be aggravated by MMA in patients with OSAS who have a normally positioned maxilla, a protrusive upper lip, and an acute nasolabial angle. Therefore, surgical treatment planning should be customized according to diverse skeletodental and soft-tissue patterns to produce a favorable change in facial esthetics and sleep function in patients with OSAS. In this case report, good treatment results were achieved in a young female patient with OSAS and skeletal Class II, a normally positioned maxilla, a protrusive upper lip, and acute nasolabial angle by impaction of the maxilla, autorotation\/advancement of the mandible, and advancement of the chin. A customized flowchart for surgical treatment planning in OSAS that considers facial esthetics was suggested.<\/jats:p>","DOI":"10.2319\/041512-310.1","type":"journal-article","created":{"date-parts":[[2012,8,6]],"date-time":"2012-08-06T16:28:02Z","timestamp":1344270482000},"page":"355-363","source":"Crossref","is-referenced-by-count":15,"title":["Surgical treatment modality for facial esthetics in an obstructive sleep apnea patient with protrusive upper lip and acute nasolabial angle"],"prefix":"10.2319","volume":"83","author":[{"given":"Hyo-Won","family":"Ahn","sequence":"first","affiliation":[{"name":"Graduate student (PhD), Department of Orthodontics, School of Dentistry, Seoul National University, Seoul, South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Il-Sik","family":"Cho","sequence":"additional","affiliation":[{"name":"Graduate student (PhD), Department of Orthodontics, School of Dentistry, Seoul National University, Seoul, South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keun-Chul","family":"Cho","sequence":"additional","affiliation":[{"name":"Graduate student (PhD), Department of Orthodontics, School of Dentistry, Seoul National University, Seoul, South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jin-Young","family":"Choi","sequence":"additional","affiliation":[{"name":"Professor and Chair, Department of Oral and Maxillofacial Surgery, School of Dentistry, Dental Research Institute, Seoul National University, Seoul, South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jin-Woo","family":"Chung","sequence":"additional","affiliation":[{"name":"Professor, Department of Oral Medicine and Oral Diagnosis, School of Dentistry, Dental Research Institute, Seoul National University, Seoul, South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seung-Hak","family":"Baek","sequence":"additional","affiliation":[{"name":"Professor and Chair, Department of Orthodontics, School of Dentistry, Dental Research Institute, Seoul National University, Seoul, South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1164","reference":[{"key":"i0003-3219-83-2-355-b01","series-title":"J Appl Physiol","first-page":"2440","article-title":"Pathogenesis of obstructive sleep apnea","volume":"99","author":"Ryan\n              CM ,","year":"2005","unstructured":"Ryan\n              CM , \n            \n              Bradly\n              TD . \n          \n          Pathogenesis of obstructive sleep apnea . 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