Construction of a copper stepwedge with aluminum equivalent mean gray values

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dc.contributor.authorDundar, Nesrin
dc.contributor.authorGuneri, Pelin
dc.contributor.authorOnem, Erinc
dc.contributor.authorBoyacioglu, Hayal
dc.date.accessioned2019-10-27T21:16:35Z
dc.date.available2019-10-27T21:16:35Z
dc.date.issued2010
dc.departmentEge Üniversitesien_US
dc.description.abstractObjectives: To produce a copper (Cu) stepwedge with aluminum (Al) equivalent mean gray values (MGV). Material and Methods: The thicknesses of Cu steps that were equivalent to those of the Al were formulated using the X-ray attenuation properties of the materials. The Al and fabricated Cu stepwedges were radiographed, but the MGVs of the Cu stepwedge were mismatching to those of the Al. Using a mathematical function to adjust the pixel MGV of Cu stepwedge to those of the Al, new Cu stepwedges were created. In vitro iterations were performed until best approximation to Al was reached. Results: The MGV of the Cu stepwedges fabricated by formularization were different than those of Al (p=0.001). Iteration method led to MGV similar to those of the Al stepwedge (p=0.207). Conclusions: Construction of a Cu stepwedge according to the basic rules of radiophysic failed to result in a stepwedge with similar radiodensity values to those of Al stepwedge. Further studies may use the formularization method only for prototype Cu wedge production, but consecutive iterations shall be compassed to obtain the best approximation to Al MGV.en_US
dc.identifier.endpage396en_US
dc.identifier.issn1678-7757
dc.identifier.issue4en_US
dc.identifier.pmid20835575en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage390en_US
dc.identifier.urihttps://hdl.handle.net/11454/43691
dc.identifier.volume18en_US
dc.identifier.wosWOS:000281692300012en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherUniv Sao Paulo Fac Odontologia Bauruen_US
dc.relation.ispartofJournal of Applied Oral Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAluminumen_US
dc.subjectCopperen_US
dc.subjectRadiographyen_US
dc.titleConstruction of a copper stepwedge with aluminum equivalent mean gray valuesen_US
dc.typeArticleen_US

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