Radiopacity of impression materials using an indirect digital system

Detalhes bibliográficos
Autor(a) principal: Mota, Eduardo Gonçalves
Data de Publicação: 2008
Outros Autores: Rockenbach, Maria Ivete Bolzan, da Costa, Nilza Pereira, Rigo, Angela, Coelho, Carla Renata Radaelli
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Revista odonto ciência (Online)
Texto Completo: https://revistaseletronicas.pucrs.br/ojs/index.php/fo/article/view/3973
Resumo: Purpose: This in vitro study evaluated the radiopacity of impression materials using an indirect digital system. Methods: Samples of four polyvinyl siloxanes, one polyether, one polysulfide, and one irreversible hydrocolloid were fabricated with 1.0, 1.5, and 3.5mm-thickness. Three samples of different thickness were placed on the Digora optical plate and exposed. The optical density (pixels) was recorded in three areas resulting in a total of 360 measurements. Data were analyzed by 2-way ANOVA and Tukey tests (α=0.05). Results: Significant differences were observed among all materials and thicknesses tested (P<0.001). Irreversible hydrocolloid and polyether showed the lowest optical density. Polysulfide showed the highest optical density under all evaluated conditions. Conclusion: There was a significant difference in optical density for all impression materials tested. Composition changes are suggested to allow radiographic detection and improve safety during clinical use of impression materials. Key words: Optical density; digital dental radiography; dental impression materials
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spelling Radiopacity of impression materials using an indirect digital systemRadiopacidade de materiais de moldagem usando um sistema digital indiretoOptical densitydigital dental radiographydental impression materialsradiopacitydental impression materialsPurpose: This in vitro study evaluated the radiopacity of impression materials using an indirect digital system. Methods: Samples of four polyvinyl siloxanes, one polyether, one polysulfide, and one irreversible hydrocolloid were fabricated with 1.0, 1.5, and 3.5mm-thickness. Three samples of different thickness were placed on the Digora optical plate and exposed. The optical density (pixels) was recorded in three areas resulting in a total of 360 measurements. Data were analyzed by 2-way ANOVA and Tukey tests (α=0.05). Results: Significant differences were observed among all materials and thicknesses tested (P<0.001). Irreversible hydrocolloid and polyether showed the lowest optical density. Polysulfide showed the highest optical density under all evaluated conditions. Conclusion: There was a significant difference in optical density for all impression materials tested. Composition changes are suggested to allow radiographic detection and improve safety during clinical use of impression materials. Key words: Optical density; digital dental radiography; dental impression materialsObjetivo: Este estudo in vitro comparou a radiopacidade de materiais de moldagem usando um método radiográfico digital indireto. Metodologia: Amostras de quatro polivinil-siloxanos, um poliéter, um polissulfeto e um hidrocolóide irreversível foram confeccionadas com alturas de 1, 1,5 e 3,5mm. Três amostras das diferentes espessuras foram dispostas sobre uma placa óptica Digora e exposta. A densidade óptica (pixels) foi registrada em três diferentes áreas de cada amostra. Os dados foram analisados pelo teste de análise de variância de dois fatores e teste de Tukey (α=0,05). Resultados: Diferenças significantes foram observadas entre todos os materiais e espessuras testadas (P<0,001). O hidrocolóide irreversível e o poliéter apresentaram a menor densidade óptica. O polissulfeto apresentou a maior densidade óptica em todas as condições avaliadas. Conclusão: Há diferença significativa na densidade óptica dos materiais de moldagem avaliados. Alterações na composição são necessárias para facilitar a detecção destes materiais a fim de aumentar a segurança no uso clínico. Palavras-chave: Densidade óptica; radiografia dentária digital; materiais para moldagem odontológicaEDIPUCRS - Editora Universitária da PUCRS2008-09-26info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionPeer-reviewed Articlelaboratoryapplication/pdfhttps://revistaseletronicas.pucrs.br/ojs/index.php/fo/article/view/3973Revista Odonto Ciência; Vol. 23 No. 4 (2008); 333 - 337Revista Odonto Ciência; v. 23 n. 4 (2008); 333 - 3371980-65230102-9460reponame:Revista odonto ciência (Online)instname:Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS)instacron:PUC_RSenghttps://revistaseletronicas.pucrs.br/ojs/index.php/fo/article/view/3973/3430Mota, Eduardo GonçalvesRockenbach, Maria Ivete Bolzanda Costa, Nilza PereiraRigo, AngelaCoelho, Carla Renata Radaelliinfo:eu-repo/semantics/openAccess2013-11-18T10:32:04Zoai:ojs.revistaseletronicas.pucrs.br:article/3973Revistahttps://revistaseletronicas.pucrs.br/ojs/index.php/foPRIhttps://revistaseletronicas.pucrs.br/ojs/index.php/fo/oai||odontociencia@pucrs.br1980-65230102-9460opendoar:2013-11-18T10:32:04Revista odonto ciência (Online) - Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS)false
dc.title.none.fl_str_mv Radiopacity of impression materials using an indirect digital system
Radiopacidade de materiais de moldagem usando um sistema digital indireto
title Radiopacity of impression materials using an indirect digital system
spellingShingle Radiopacity of impression materials using an indirect digital system
Mota, Eduardo Gonçalves
Optical density
digital dental radiography
dental impression materials
radiopacity
dental impression materials
title_short Radiopacity of impression materials using an indirect digital system
title_full Radiopacity of impression materials using an indirect digital system
title_fullStr Radiopacity of impression materials using an indirect digital system
title_full_unstemmed Radiopacity of impression materials using an indirect digital system
title_sort Radiopacity of impression materials using an indirect digital system
author Mota, Eduardo Gonçalves
author_facet Mota, Eduardo Gonçalves
Rockenbach, Maria Ivete Bolzan
da Costa, Nilza Pereira
Rigo, Angela
Coelho, Carla Renata Radaelli
author_role author
author2 Rockenbach, Maria Ivete Bolzan
da Costa, Nilza Pereira
Rigo, Angela
Coelho, Carla Renata Radaelli
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Mota, Eduardo Gonçalves
Rockenbach, Maria Ivete Bolzan
da Costa, Nilza Pereira
Rigo, Angela
Coelho, Carla Renata Radaelli
dc.subject.por.fl_str_mv Optical density
digital dental radiography
dental impression materials
radiopacity
dental impression materials
topic Optical density
digital dental radiography
dental impression materials
radiopacity
dental impression materials
description Purpose: This in vitro study evaluated the radiopacity of impression materials using an indirect digital system. Methods: Samples of four polyvinyl siloxanes, one polyether, one polysulfide, and one irreversible hydrocolloid were fabricated with 1.0, 1.5, and 3.5mm-thickness. Three samples of different thickness were placed on the Digora optical plate and exposed. The optical density (pixels) was recorded in three areas resulting in a total of 360 measurements. Data were analyzed by 2-way ANOVA and Tukey tests (α=0.05). Results: Significant differences were observed among all materials and thicknesses tested (P<0.001). Irreversible hydrocolloid and polyether showed the lowest optical density. Polysulfide showed the highest optical density under all evaluated conditions. Conclusion: There was a significant difference in optical density for all impression materials tested. Composition changes are suggested to allow radiographic detection and improve safety during clinical use of impression materials. Key words: Optical density; digital dental radiography; dental impression materials
publishDate 2008
dc.date.none.fl_str_mv 2008-09-26
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
laboratory
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://revistaseletronicas.pucrs.br/ojs/index.php/fo/article/view/3973
url https://revistaseletronicas.pucrs.br/ojs/index.php/fo/article/view/3973
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://revistaseletronicas.pucrs.br/ojs/index.php/fo/article/view/3973/3430
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv EDIPUCRS - Editora Universitária da PUCRS
publisher.none.fl_str_mv EDIPUCRS - Editora Universitária da PUCRS
dc.source.none.fl_str_mv Revista Odonto Ciência; Vol. 23 No. 4 (2008); 333 - 337
Revista Odonto Ciência; v. 23 n. 4 (2008); 333 - 337
1980-6523
0102-9460
reponame:Revista odonto ciência (Online)
instname:Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS)
instacron:PUC_RS
instname_str Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS)
instacron_str PUC_RS
institution PUC_RS
reponame_str Revista odonto ciência (Online)
collection Revista odonto ciência (Online)
repository.name.fl_str_mv Revista odonto ciência (Online) - Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS)
repository.mail.fl_str_mv ||odontociencia@pucrs.br
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