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Changes of hyoid, tongue and pharyngeal airway after mandibular setback surgery by intraoral vertical ramus osteotomy

DC FieldValueLanguage
dc.contributor.author김경호-
dc.contributor.author정주령-
dc.contributor.author최윤정-
dc.contributor.author허종기-
dc.date.accessioned2015-04-23T16:21:32Z-
dc.date.available2015-04-23T16:21:32Z-
dc.date.issued2010-
dc.identifier.issn0003-3219-
dc.identifier.urihttps://ir.ymlib.yonsei.ac.kr/handle/22282913/100438-
dc.description.abstractOBJECTIVE: To assess changes in hyoid, tongue, pharyngeal airway, and head posture in patients who had mandibular setback surgery by intraoral vertical ramus osteotomy (IVRO) and to investigate the influence of LeFort I osteotomy. MATERIALS AND METHODS: Sixty patients with skeletal Class III malocclusion were evaluated. All patients had mandibular setback surgery via IVRO, and 45 patients had additional maxillary impaction surgery via LeFort I osteotomy. Lateral cephalograms were taken before, immediately after, approximately 1 month after, and at least 1 year after surgery. Parameters indicating the hyoid, tongue, pharyngeal airway, and head posture were evaluated. RESULTS: The hyoid significantly moved inferoposteriorly immediately after surgery and relapsed superoanteriorly during observation periods. The tongue significantly moved posteriorly during all periods. The final position of the hyoid and tongue was significantly posterior, and the final pharyngeal airway was significantly narrower compared with its presurgical position. Significant cervical hyperflection occurred during observation periods and was strongly correlated with anterior movement of the hyoid. The hyoid and tongue showed similar positions regardless of the presence of different genders or LeFort I osteotomy after the long-term observation period. CONCLUSIONS: The hyoid and tongue moved posteriorly after mandibular setback surgery via IVRO, and there was a tendency to relapse back to its original position. However, the final pharyngeal airway width remained narrower after the long-term observation period. Based on our results, careful monitoring of the airway may be needed after mandibular setback surgery via IVRO.-
dc.description.statementOfResponsibilityopen-
dc.format.extent302~308-
dc.relation.isPartOfANGLE ORTHODONTIST-
dc.rightsCC BY-NC-ND 2.0 KR-
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/2.0/kr/-
dc.subject.MESHAirway Obstruction/etiology-
dc.subject.MESHCephalometry-
dc.subject.MESHCervical Vertebrae/anatomy & histology-
dc.subject.MESHConfidence Intervals-
dc.subject.MESHFemale-
dc.subject.MESHHead-
dc.subject.MESHHumans-
dc.subject.MESHHyoid Bone/anatomy & histology*-
dc.subject.MESHMale-
dc.subject.MESHMalocclusion, Angle Class III/surgery*-
dc.subject.MESHMandible/surgery*-
dc.subject.MESHOrthognathic Surgical Procedures*/adverse effects-
dc.subject.MESHOsteotomy-
dc.subject.MESHOsteotomy, Le Fort-
dc.subject.MESHPharynx/anatomy & histology*-
dc.subject.MESHPosture-
dc.subject.MESHRecurrence-
dc.subject.MESHStatistics, Nonparametric-
dc.subject.MESHTongue/anatomy & histology*-
dc.subject.MESHTreatment Outcome-
dc.subject.MESHYoung Adult-
dc.titleChanges of hyoid, tongue and pharyngeal airway after mandibular setback surgery by intraoral vertical ramus osteotomy-
dc.typeArticle-
dc.contributor.collegeCollege of Dentistry (치과대학)-
dc.contributor.departmentDept. of Oral and Maxillofacial Surgery (구강악안면외과학)-
dc.contributor.googleauthorSoonshin Hwang-
dc.contributor.googleauthorChooryung Judi Chung-
dc.contributor.googleauthorYoon-Jeong Choi-
dc.contributor.googleauthorJong-Ki Huh-
dc.contributor.googleauthorKyung-Ho Kim-
dc.identifier.doi10.2319/040209-188.1-
dc.admin.authorfalse-
dc.admin.mappingfalse-
dc.contributor.localIdA00309-
dc.contributor.localIdA03724-
dc.contributor.localIdA04139-
dc.contributor.localIdA04365-
dc.relation.journalcodeJ00149-
dc.identifier.eissn1945-7103-
dc.identifier.pmid19905855-
dc.identifier.urlhttp://www.angle.org/doi/abs/10.2319/040209-188.1-
dc.subject.keywordHyoid-
dc.subject.keyword Tongue-
dc.subject.keyword Pharyngeal airway-
dc.subject.keyword Mandibular setback-
dc.subject.keyword Intraoral vertical ramus osteotomy-
dc.contributor.alternativeNameKim, Kyung Ho-
dc.contributor.alternativeNameChung, Choo Ryung-
dc.contributor.alternativeNameChoi, Yoon Jeong-
dc.contributor.alternativeNameHuh, Jong Ki-
dc.contributor.affiliatedAuthorKim, Kyung Ho-
dc.contributor.affiliatedAuthorChung, Choo Ryung-
dc.contributor.affiliatedAuthorChoi, Yoon Jeong-
dc.contributor.affiliatedAuthorHuh, Jong Ki-
dc.citation.volume80-
dc.citation.number2-
dc.citation.startPage302-
dc.citation.endPage308-
dc.identifier.bibliographicCitationANGLE ORTHODONTIST, Vol.80(2) : 302-308, 2010-
dc.identifier.rimsid36486-
dc.type.rimsART-
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers

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