Evaluation of stress by finite element analysis of the midface and skull base at the time of midpalatal osteotomy in models with or without pterygomaxillary dysjunction

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dc.contributor.authorEsen, Alparslan
dc.contributor.authorErtan, Soğancı
dc.contributor.authorDolanmaz, Elvan
dc.contributor.authorDolanmaz, Doğan
dc.date.accessioned2021-01-13T07:03:10Z
dc.date.available2021-01-13T07:03:10Z
dc.date.issued2018
dc.departmentİstanbul Medipol Üniversitesi, Diş Hekimliği Fakültesi, Ortodonti Ana Bilim Dalı
dc.description.abstractSurgically-assisted rapid maxillary expansion (SARME) is commonly used to treat skeletally mature patients with transverse discrepancies. Some osteotomies are made in areas that resist expansion, but there is no clear consensus about the sequence in which the osteotomies are made. Some clinicians do the pterygomaxillary osteotomy last, while others do it before the midpalatal osteotomy. We used the finite element method to measure the stresses on the midface, cranial base and pterygoid plates at the time of midpalatal osteotomy in two models, one with and one without pterygomaxillary dysjunction (PMD). In both, SARME consisted of maxillary bilateral osteotomy from the piriform rim to the pterygoid plate. Midpalatal osteotomy was also done in both. In the PMD model, minimum principal stresses increased on the midface, and maximum principal and von Mises stresses increased at the cranial base and on the pterygoid plates. Our results suggest that the stresses on the midface and cranial base can be reduced during midpalatal osteotomy in adults if the pterygomaxillary osteotomy is done last.
dc.identifier.citationEsen, A., Ertan, S., Dolanmaz, E. ve Dolanmaz, D. (2018). Evaluation of stress by finite element analysis of the midface and skull base at the time of midpalatal osteotomy in models with or without pterygomaxillary dysjunction. British Journal of Oral and Maxillofacial Surgery, 56(3), 177-181. https://dx.doi.org/10.1016/j.bjoms.2018.01.001
dc.identifier.doi10.1016/j.bjoms.2018.01.001
dc.identifier.endpage181
dc.identifier.issn0266-4356
dc.identifier.issn1532-1940
dc.identifier.issue3
dc.identifier.scopusqualityQ2
dc.identifier.startpage177
dc.identifier.urihttps://dx.doi.org/10.1016/j.bjoms.2018.01.001
dc.identifier.urihttps://hdl.handle.net/20.500.12511/6232
dc.identifier.volume56
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherChurchill Livingstone
dc.relation.ispartofBritish Journal of Oral and Maxillofacial Surgeryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectCranial Base
dc.subjectMid-Face
dc.subjectFinite Elements Method
dc.subjectRapid Maxillary Expansion
dc.titleEvaluation of stress by finite element analysis of the midface and skull base at the time of midpalatal osteotomy in models with or without pterygomaxillary dysjunction
dc.typeArticle

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