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Comparative dose measurements in dentomaxillofacial imaging procedures: are Barium and Bismuth shields useful for the protection of eyes and thyroid glands?

2022Conference object Open Access
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dc.contributor.authorAlmeida, Rui
dc.contributor.authorAbrantes, António
dc.contributor.authorSilva, Carlos Otero
dc.date.accessioned2022-09-05T12:25:32Z
dc.date.available2022-09-05T12:25:32Z
dc.date.issued2022
dc.description.abstractDose measurements were performed at the eye lens and thyroid level using TLD dosimeters, in different configurations (with and without shields) and using standard protocols with different values of voltage (kV) and current-time product (mAs). A total of 103 exposures were performed on patients, 84 of them using a MSCT GE Lightspeed 16 equipment and the remaining 19 using a CBCT NewTom GiANO equipment. These exposures were subdivided into 22 smaller samples (19 samples with 5 exposures each, 1 sample with 4 exposures and 2 samples with 2 exposures each), in accordance with the protocols and configurations adopted. 54 were performed without the use of shields and the remaining 49 with the use of shields, namely, a bismuth shield for the thyroid, a barium shield for the eye lens and, also, a bismuth shield for the breast, which was tested only in the routine MSCT protocol.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAlmeida, R. P. P., Abrantes, A., & da Silva, C. A. (2022). Comparative dose measurements in dentomaxillofacial imaging procedures: Are Barium and Bismuth shields useful for the protection of eyes and thyroid glands? [EPOSTM]. Electronic Presentation Online System, Educational Exhibit. European Congress of Radiology, Austria, Vienna. DOI: https://dx.doi.org/10.26044/ecr2022/C-17803pt_PT
dc.identifier.doihttps://dx.doi.org/10.26044/ecr2022/C-17803pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.1/18212
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherEuropean Society of Radiology
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.subjectRadiographerspt_PT
dc.subjectCone beam CTpt_PT
dc.subjectDilationpt_PT
dc.subjectRadiation safetypt_PT
dc.subjectTechnical aspectspt_PT
dc.subjectDosimetric comparisonpt_PT
dc.subjectQuality assurancept_PT
dc.titleComparative dose measurements in dentomaxillofacial imaging procedures: are Barium and Bismuth shields useful for the protection of eyes and thyroid glands?pt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceVienna, Austriapt_PT
oaire.citation.startPageC-17803
oaire.citation.titleElectronic Presentation Online System, Educational Exhibit. European Congress of Radiologypt_PT
person.familyNameAlmeida
person.familyNameCaldeira Lagem Abrantes
person.familyNameSilva
person.givenNameRui
person.givenNameAntónio Fernando
person.givenNameCarlos Otero
person.identifier.ciencia-id0113-F406-B03C
person.identifier.ciencia-idE514-87C6-9772
person.identifier.orcid0000-0001-7524-9669
person.identifier.orcid0000-0002-7792-678X
person.identifier.orcid0000-0003-2862-6841
person.identifier.scopus-author-id55556024200
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublication61d38bec-7094-4511-9b37-d8d0ffb9586f
relation.isAuthorOfPublicatione7ff7891-8e5b-4849-89bd-0c6195bd1c72
relation.isAuthorOfPublicationddfdb928-275f-498f-b2a9-476f3f5bd1a2
relation.isAuthorOfPublication.latestForDiscoveryddfdb928-275f-498f-b2a9-476f3f5bd1a2

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