Redesign and treatment planning orbital floor reconstruction using computer analysis anatomical landmarks

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dc.contributor.authorOzer, Mehmet Asim
dc.contributor.authorGovsa, Figen
dc.contributor.authorKazak, Zuhal
dc.contributor.authorErdogmus, Senem
dc.contributor.authorCelik, Servet
dc.date.accessioned2020-06-25T18:16:25Z
dc.date.available2020-06-25T18:16:25Z
dc.date.issued2016
dc.departmentKırıkkale Üniversitesi
dc.descriptioncelik, servet/0000-0002-1102-4417
dc.description.abstractOrbital floor fractures are one of the most commonly encountered maxillofacial fractures due to their weak anatomical structure. Restoration of the orbital floor following a traumatic injury or a tumor surgery is often difficult due to inadequate visibility and lack of knowledge on its anatomical details. The aim of this study is to investigate the locations of the inferior orbital fissure (IOF), infraorbital groove (G), and infraorbital foramen (Fo) and their relationship with the orbital floor using a software. Measurements from the inferior orbital rim (IOR) using the Fo, the IOF, G, and the optic canal (OC) were calculated in 268 orbits as reference points. The surgical landmarks from the G and the OC, the G and the IOF, the G and the intersection point were measured as 31.6 +/- A 6, 12.9 +/- A 4, and 12 +/- A 5 mm, respectively. The mean distances between the G and the IOR, the Fo and the IOF, and the Fo and the OC were found as 8.3 +/- A 2.1, 28.7 +/- A 3.5, and 53.6 +/- A 5.9 mm, respectively. The mean angles were calculated as OC-IOF-G 68.1A degrees A A +/- A 16.4A degrees; intersection-G-IOF as 61.4A degrees A A +/- A 15.8A degrees; IOF-OC-G as 19A degrees A A +/- A 5.5A degrees; OC-G-intersection as 31.5A degrees A A +/- A 11.9A degrees, G-intersection-OC as 129.5A degrees, IOF-intersection-G as 50.5A degrees. Furthermore, variable bony changes on the orbital floor which may lead to the differences at intersection point of the G and Fo were determined. In 28 specimens (20.9 %), unilateral accessory Fo (AcFo) was present. In 27 specimens, AcFo was situated supermaedially (96.4 %) on the main aperture. In one specimen, two intraorbital canals and Fo emerged from different points and coursed into different apertures. The measured mean distances of the AcFo-IOR and the AcFo-Fo were as 7 +/- A 2 and 7.3 +/- A 3.2 mm, respectively. The primary principle in the oculoplastic treatment of orbital floor reconstructions must be repositioning the herniated orbital aperture by maintaining the infraorbital artery and the nerve in the orbital floor. The IOF and the G were recommended as the more reliable oculoplastic surgical landmarks for identifying the orbital floor. To avoid pinching of the orbital floor structures, the triangle (IS-G-IOF) should be equilateral with an exigence of a 70A degrees angle within it. Among each distance of the intersection-IOF, IOF-G, G-intersection should be equal. With the help of certain software, this study made possible to investigate the variability of the orbital floor structures, observe the variety in measurements and calculate the parameters which are crucial in implementing personalized reconstruction and implanting support.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1007/s00405-015-3741-3
dc.identifier.endpage2191en_US
dc.identifier.issn0937-4477
dc.identifier.issn1434-4726
dc.identifier.issue8en_US
dc.identifier.pmid26242253
dc.identifier.scopus2-s2.0-84938709774
dc.identifier.scopusqualityQ1
dc.identifier.startpage2185en_US
dc.identifier.urihttps://doi.org/10.1007/s00405-015-3741-3
dc.identifier.urihttps://hdl.handle.net/20.500.12587/6521
dc.identifier.volume273en_US
dc.identifier.wosWOS:000379255600029
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherSpringeren_US
dc.relation.ispartofEuropean Archives Of Oto-Rhino-Laryngology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectInferior orbital fissureen_US
dc.subjectInfraorbital grooveen_US
dc.subjectInfraorbital foramenen_US
dc.subjectSurgical anatomyen_US
dc.subjectOrbiten_US
dc.subjectOrbital floor fractureen_US
dc.subjectOrbital floor reconstructionen_US
dc.subjectEndoscopic orbital flooren_US
dc.titleRedesign and treatment planning orbital floor reconstruction using computer analysis anatomical landmarksen_US
dc.typeArticle

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