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Influence of anatomical location on CT numbers in cone beam computed tomography

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dc.contributor.authorOliveira, Matheus L.
dc.contributor.authorTosoni, Guilherme Monteiro [UNESP]
dc.contributor.authorLindsey, David H.
dc.contributor.authorMendoza, Kristopher
dc.contributor.authorTetradis, Sotirios
dc.contributor.authorMallya, Sanjay M.
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversity of California
dc.contributor.institutionUniversity of California, Los Angeles
dc.date.accessioned2014-05-27T11:28:45Z
dc.date.available2014-05-27T11:28:45Z
dc.date.issued2013-04-01
dc.description.abstractObjective: To assess the influence of anatomical location on computed tomography (CT) numbers in mid- and full field of view (FOV) cone beam computed tomography (CBCT) scans. Study Design: Polypropylene tubes with varying concentrations of dipotassium hydrogen phosphate (K2HPO4) solutions (50-1200 mg/mL) were imaged within the incisor, premolar, and molar dental sockets of a human skull phantom. CBCT scans were acquired using the NewTom 3G and NewTom 5G units. The CT numbers of the K2HPO 4 phantoms were measured, and the relationship between CT numbers and K2HPO4 concentration was examined. The measured CT numbers of the K2HPO4 phantoms were compared between anatomical sites. Results: At all six anatomical locations, there was a strong linear relationship between CT numbers and K2HPO4 concentration (R 2 > 0.93). However, the absolute CT numbers varied considerably with the anatomical location. Conclusion: The relationship between CT numbers and object density is not uniform through the dental arch on CBCT scans. © 2013 Elsevier Inc.en
dc.description.affiliationDepartment of Oral Diagnosis Piracicaba Dental School State University of Campinas, Campinas, São Paulo
dc.description.affiliationDepartment of Oral Diagnosis and Surgery Araraquara Dental School São Paulo State University, Araraquara, São Paulo
dc.description.affiliationSchool of Dentistry University of California, Los Angeles, CA
dc.description.affiliationSection of Oral and Maxillofacial Radiology University of California, Los Angeles, CA
dc.description.affiliationSection of Oral and Maxillofacial Radiology School of Dentistry University of California, Los Angeles, Los Angeles, CA 90095-1668
dc.description.affiliationUnespDepartment of Oral Diagnosis and Surgery Araraquara Dental School São Paulo State University, Araraquara, São Paulo
dc.format.extent558-564
dc.identifierhttp://dx.doi.org/10.1016/j.oooo.2013.01.021
dc.identifier.citationOral Surgery, Oral Medicine, Oral Pathology and Oral Radiology, v. 115, n. 4, p. 558-564, 2013.
dc.identifier.doi10.1016/j.oooo.2013.01.021
dc.identifier.file2-s2.0-84875352962.pdf
dc.identifier.issn2212-4403
dc.identifier.lattes0692567697594977
dc.identifier.scopus2-s2.0-84875352962
dc.identifier.urihttp://hdl.handle.net/11449/74937
dc.identifier.wosWOS:000316666700029
dc.language.isoeng
dc.relation.ispartofOral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
dc.relation.ispartofjcr1.718
dc.relation.ispartofsjr0,720
dc.rights.accessRightsAcesso abertopt
dc.sourceScopus
dc.subjecthydroxyapatite
dc.subjectphosphate
dc.subjectpotassium derivative
dc.subjectpotassium dihydrogen phosphate
dc.subjectchemistry
dc.subjectcomparative study
dc.subjectcone beam computed tomography
dc.subjectequipment
dc.subjecthuman
dc.subjectimage processing
dc.subjectimage quality
dc.subjectincisor
dc.subjectmolar tooth
dc.subjectpremolar tooth
dc.subjectradiation dose
dc.subjectradiation scattering
dc.subjectradiography
dc.subjectstatistics
dc.subjectthree dimensional imaging
dc.subjecttooth arch
dc.subjecttooth socket
dc.subjectX ray
dc.subjectBicuspid
dc.subjectCone-Beam Computed Tomography
dc.subjectDental Arch
dc.subjectDurapatite
dc.subjectHumans
dc.subjectImage Processing, Computer-Assisted
dc.subjectImaging, Three-Dimensional
dc.subjectIncisor
dc.subjectMolar
dc.subjectPhantoms, Imaging
dc.subjectPhosphates
dc.subjectPotassium Compounds
dc.subjectRadiation Dosage
dc.subjectScattering, Radiation
dc.subjectTooth Socket
dc.subjectX-Rays
dc.titleInfluence of anatomical location on CT numbers in cone beam computed tomographyen
dc.typeArtigopt
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dspace.entity.typePublication
relation.isOrgUnitOfPublicationca4c0298-cd82-48ee-a9c8-c97704bac2b0
relation.isOrgUnitOfPublication.latestForDiscoveryca4c0298-cd82-48ee-a9c8-c97704bac2b0
unesp.author.lattes0692567697594977
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Odontologia, Araraquarapt
unesp.departmentDiagnóstico e Cirurgia - FOARpt

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Araraquara - FOAR - Faculdade de Odontologia