Investigation of upper airway changes in orthognathic surgery with computational fluid dynamics analysis

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dc.contributor.authorInan, Ilker
dc.contributor.authorAslan, Erman
dc.contributor.authorKarkazi, Frantzeska
dc.contributor.authorAcar, Yasemin Bahar
dc.contributor.authorKorbahti, Banu
dc.contributor.authorGuven, Hasan Riza
dc.date.accessioned2024-09-11T19:52:36Z
dc.date.available2024-09-11T19:52:36Z
dc.date.issued2024
dc.departmentİstanbul Gelişim Üniversitesien_US
dc.description.abstractIn this retrospective study, computational fluid dynamics (CFD) simulation was used to observe changes in airway in a patient (20-year-old male) who underwent bimaxillary surgery with maxillary advancement and mandibular setback. Bimaxillary orthognathic surgery is an invasive approach that is used for the correction of skeletal class III malocclusion related with dental surgery. In order to perform CFD analysis, at the first stage cone-beam computed tomography (CBCT) data from preoperative (2 months before surgery) and postoperative (6 months after surgery) were used to build the numerical domain at three different volumetric flow rates of 30 L/min, 15 L/min and 7.5 L/min. In addition to volume changes in the airway, pressure drop, shear stress, streamlines were analysed for inhalation and exhalation phases at different volumetric flow rates. The total upper airway volume after the operation narrowed by 13.69% compared to the pre-operation. Upper respiratory tract nasal resistance decreased. In the post-operative condition, a pressure drop was observed between the nostrils and hypopharynx region for all volumetric flow rates. This demonstrates that the patient breathes easier after the bimaxillary orthognathic surgery operation.en_US
dc.identifier.doi10.1504/PCFD.2024.137044
dc.identifier.issn1468-4349
dc.identifier.issn1741-5233
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-85187132641en_US
dc.identifier.urihttps://doi.org/10.1504/PCFD.2024.137044
dc.identifier.urihttps://hdl.handle.net/11363/7989
dc.identifier.volume24en_US
dc.identifier.wosWOS:001179527600004en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherInderscience Enterprises Ltden_US
dc.relation.ispartofProgress In Computational Fluid Dynamicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.snmz20240903_Gen_US
dc.subjectfinite volume methoden_US
dc.subjectFVMen_US
dc.subjectturbulent flowen_US
dc.subjectupper airway changeen_US
dc.subjectupper airway flowen_US
dc.titleInvestigation of upper airway changes in orthognathic surgery with computational fluid dynamics analysisen_US
dc.typeArticleen_US

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