Assessment of the change in the nasal septum and nasal profile after le fort I with cone beam computed tomography

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dc.authorid0000-0003-0812-1520
dc.authorid0000-0002-8983-6220
dc.contributor.authorCanbaz, Barış
dc.contributor.authorYılancı, Hilal
dc.date.accessioned2024-11-04T08:51:37Z
dc.date.available2024-11-04T08:51:37Z
dc.date.issued2024
dc.departmentİstanbul Medipol Üniversitesi, Diş Hekimliği Fakültesi, Ortodonti Ana Bilim Dalı
dc.departmentİstanbul Medipol Üniversitesi, Sağlık Bilimleri Enstitüsü, Ortodonti Ana Bilim Dalı
dc.description.abstractObjective: This study aimed to determine the relationship between nasal changes and the amount of advancement, impaction, and downward movement of the maxilla after Le Fort I osteotomy. Methods: The study included 48 patients who underwent Le Fort I surgery and had pre- and postoperative cone-beam computed tomography records. Changes in the nasal septum were evaluated by measuring septal deviation angles and volumes. In addition, nasolabial angle and width of nasal and alar base were examined. Groups were determined according to the movement of point A (the deepest point on the curvature of the maxillary alveolar process), using a threshold of 1.5 mm for vertical movements and 4 mm for sagittal movements. This resulted in the comparison of 6 groups of 8 people each. Results are presented as mean and standard deviation or median and range depending on the data distribution. Significance level was accepted as P < 0.05. Result: There were no significant differences for each group on its own septal deviation volume or angle values pre/postoperatively. Groups 3 and 5, which both had at least 1.5 mm of impaction, showed significant changes in both deviation angle and volume between the preoperative and postoperative measurements. Nasolabial angle did not show significant changes between groups. Alar base width and nasal width increase was significantly highest in Group 1, which has more than 4 mm sagittal movement and less than 1.5 mm vertical movement. Conclusions: Le Fort I osteotomy may lead to undesirable changes in the spatial positioning of the nasal septum. The results of this study suggest that maxillary advancement does not significantly impact septal deviation, whereas maxillary impaction increases the amount of deviation. In addition, nasal width and alar base width tended to increase, and the nasolabial angle tended to decrease slightly, regardless of the direction of movement of the maxilla after orthognathic surgery. Clinical Relevance: Surgeons should consider increased nasal septal deviation risks when planning impaction of the maxilla. The soft tissue changes in the nose vary according to different directions and amounts of Le Fort I surgery.
dc.identifier.citationCanbaz, B. ve Yılancı, H. (2024). Assessment of the change in the nasal septum and nasal profile after le fort I with cone beam computed tomography. Annals of Plastic Surgery, 93(3), 331-338. http://dx.doi.org/10.1097/SAP.0000000000004085
dc.identifier.doi10.1097/SAP.0000000000004085
dc.identifier.endpage338
dc.identifier.issn0148-7043
dc.identifier.issn1536-3708
dc.identifier.issue3
dc.identifier.pmid39158334
dc.identifier.scopus2-s2.0-85201634087
dc.identifier.scopusqualityQ2
dc.identifier.startpage331
dc.identifier.urihttp://dx.doi.org/10.1097/SAP.0000000000004085
dc.identifier.urihttps://hdl.handle.net/20.500.12511/12846
dc.identifier.volume93
dc.identifier.wos001294759800026en_US
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorCanbaz, Barış
dc.institutionauthorYılancı, Hilal
dc.language.isoen
dc.relation.ispartofAnnals of Plastic Surgeryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectCBCT
dc.subjectLe Fort I
dc.subjectNasal Profile
dc.subjectOrthognathic Surgery
dc.subjectSeptal Deviation
dc.titleAssessment of the change in the nasal septum and nasal profile after le fort I with cone beam computed tomography
dc.typeArticle

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