Fixation Methods for Mandibular Advancement and Their Effects on Temporomandibular Joint: A Finite Element Analysis Study

dc.authorid23111en_US
dc.contributor.authorDemircan, Sabit
dc.contributor.authorUretürk, Erdoğan Utku
dc.contributor.authorApaydın, Ayşegül
dc.contributor.authorŞen, Sinan
dc.date.accessioned2020-10-14T12:46:23Z
dc.date.available2020-10-14T12:46:23Z
dc.date.issued2020
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractObjectives. Bilateral sagittal split osteotomy (BSSO) is a common surgical procedure to correct dentofacial deformities that involve the mandible. Usually bicortical bone fixation screw or miniplates with monocortical bone fixation screw were used to gain stability after BSSO. On the other hand, the use of resorbable screw materials had been reported. In this study, our aim is to determine first stress distribution values at the temporomandibular joint (TMJ) and second displacement amounts of each mandibular bone segment. Methods. A three-dimensional virtual mesh model of the mandible was constructed. Then, BSSO with 9 mm advancement was simulated using the finite element model (FEM). Fixation between each mandibular segment was also virtually performed using seven different combinations of fixation materials, as follows: miniplate only (M), miniplate and a titanium bicortical bone fixation screw (H), miniplate and a resorbable bicortical bone fixation screw (HR), 3 L-shaped titanium bicortical bone fixation screws (L), 3 L-shaped resorbable bicortical bone fixation screws (LR), 3 inverted L-shaped titanium bicortical bone fixation screws (IL), and 3 inverted L-shaped resorbable bicortical bone fixation screws (ILR). Results. At 9 mm advancement, the biggest stress values at the anterior area TMJ was seen at M fixation and LR fixation at posterior TMJ. The minimum stress values on anterior TMJ were seen at L fixation and M fixation at posterior TMJ. Minimum displacement was seen in IL method. It was followed by L, H, HR, M, ILR, and LR, respectively. Conclusion. According to our results, bicortical screw fixation was associated with more stress on the condyle. In terms of total stress value, especially LR and ILR lead to higher amounts.en_US
dc.identifier.citationBıomed Research Internatıonal, 2020, 2810763en_US
dc.identifier.doi10.1155/2020/2810763
dc.identifier.issn2314-6141
dc.identifier.pmid32185199en_US
dc.identifier.scopus2-s2.0-85081914575en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1155/2020/2810763
dc.identifier.wosWOS:000522122000017en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherHindawien_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.subjectSagıttal Splıt Osteotomyen_US
dc.subjectCondylar Posıtıonen_US
dc.subjectRamus Osteotomyen_US
dc.subjectTerm Changesen_US
dc.subjectOsteosynthesısen_US
dc.subjectSurgeryen_US
dc.subjectStabılıtyen_US
dc.titleFixation Methods for Mandibular Advancement and Their Effects on Temporomandibular Joint: A Finite Element Analysis Studyen_US
dc.typeArticleen_US

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