Avalia??o do t?ntalo ap?s tratamento de superf?cie com oxida??o por plasma eletrol?tico (PEO)
Ano de defesa: | 2014 |
---|---|
Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | |
Tipo de documento: | Dissertação |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Pontif?cia Universidade Cat?lica do Rio Grande do Sul
|
Programa de Pós-Graduação: |
Programa de P?s-Gradua??o em Odontologia
|
Departamento: |
Faculdade de Odontologia
|
País: |
BR
|
Palavras-chave em Português: | |
Área do conhecimento CNPq: | |
Link de acesso: | http://tede2.pucrs.br/tede2/handle/tede/1280 |
Resumo: | Every year scientists and biomedical manufacturers bring to the market new biocompatible materials to use as prosthetic devices for the human body. Following that trend, oral implants manufactured with a Tantalum alloy started to be marketed in 2010 by a top orthopedic company. Although this metal has already been tested in dentistry and did not show satisfactory results from an experimental as well as a clinical standpoint in the past, the lack of a successful record was due to a poor comprehension of many important factors involved in the Osseointegration phenomenon. From the fixture design to the understanding of bone biology, the years of research have shown that survival and success in oral implantology is much more than the alloy can tell. And since bone histology has proved that Tantalum has a good healing response, we decided to subject this metal to a surface treatment similar to those regularly applied to Titanium fixtures. Using an especially PEO (Plasma Electrolytic Oxidation) devised protocol we have tried to evaluate the production of a surface oxidation and salt deposition on the metal surface and verify them using SEM (Scanning Electron Microscopy) and EDS (Energy Dispersive X-Ray Detector or EDX). For that matter, four groups were prepared: Group 1 non-altered Tantalum metal sheets surfaces; Group 2 Tantalum metal sheets exposed to PEO for 1 minute; Group 3 Tantalum metal sheets exposed to PEO for 3 minutes; Group 4 Tantalum metal sheets exposed to PEO for 5 minutes. The results were very satisfactory regarding salt deposition and surface modification and similar to those already seen on Titanium after anodization. |
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Hirakata, Luciana MayumiCPF:73214000004http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4751887U3CPF:93103735049http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4718648U2Goularte, Marcelo Augusto Pinto Cardoso2015-04-14T13:30:39Z2015-03-122014-03-24GOULARTE, Marcelo Augusto Pinto Cardoso. Avalia??o do t?ntalo ap?s tratamento de superf?cie com oxida??o por plasma eletrol?tico (PEO). 2014. 44 f. Disserta??o (Mestrado em Odontologia) - Pontif?cia Universidade Cat?lica do Rio Grande do Sul, Porto Alegre, 2014.http://tede2.pucrs.br/tede2/handle/tede/1280Every year scientists and biomedical manufacturers bring to the market new biocompatible materials to use as prosthetic devices for the human body. Following that trend, oral implants manufactured with a Tantalum alloy started to be marketed in 2010 by a top orthopedic company. Although this metal has already been tested in dentistry and did not show satisfactory results from an experimental as well as a clinical standpoint in the past, the lack of a successful record was due to a poor comprehension of many important factors involved in the Osseointegration phenomenon. From the fixture design to the understanding of bone biology, the years of research have shown that survival and success in oral implantology is much more than the alloy can tell. And since bone histology has proved that Tantalum has a good healing response, we decided to subject this metal to a surface treatment similar to those regularly applied to Titanium fixtures. Using an especially PEO (Plasma Electrolytic Oxidation) devised protocol we have tried to evaluate the production of a surface oxidation and salt deposition on the metal surface and verify them using SEM (Scanning Electron Microscopy) and EDS (Energy Dispersive X-Ray Detector or EDX). For that matter, four groups were prepared: Group 1 non-altered Tantalum metal sheets surfaces; Group 2 Tantalum metal sheets exposed to PEO for 1 minute; Group 3 Tantalum metal sheets exposed to PEO for 3 minutes; Group 4 Tantalum metal sheets exposed to PEO for 5 minutes. The results were very satisfactory regarding salt deposition and surface modification and similar to those already seen on Titanium after anodization.A cada ano, cientistas e empresas biom?dicas trazem ao mercado novos materiais biocompat?veis para o uso em dispositivos prot?ticos para o corpo humano. Seguindo esse prop?sito, implantes dent?rios fabricados com uma liga de T?ntalo foram introduzidos no mercado em 2010 por uma empresa l?der em produtos ortop?dicos. Embora esse metal j? tenha sido utilizado sem muito sucesso tanto do ponto de vista experimental quanto clinico, na odontologia, a falta de uma resposta satisfat?ria foi devido ? pouca compreens?o de muitos fatores importantes envolvidos no fen?meno da Osseointegra??o. Do desenho do implante ao entendimento da biologia ?ssea, os anos de pesquisas mostraram que a sobreviv?ncia e o sucesso dos implantes dent?rios s?o muito mais do que uma liga met?lica possa representar. E j? que a histologia ?ssea tem mostrado que o T?ntalo tem uma boa resposta cicatricial, n?s decidimos submeter esse metal a um tratamento superficial similar ?queles normalmente utilizados nos implantes de Tit?nio. Usando especialmente um protocolo desenvolvido para anodiza??o PEO (Oxida??o por Plasma Eletrol?tico), n?s tentamos avaliar a produ??o de oxida??o superficial e deposi??o de sais sobre a superf?cie do metal e verificamos os resultados no MEV (Microsc?pio Eletr?nico de Varredura) e o EDS (Espectroscopia por Dispers?o de Energia Raio-X). Para a pesquisa, quatro grupos foram preparados: Grupo 1 L?minas de T?ntalo n?o tratadas; Grupo 2 L?minas de T?ntalo expostas ao PEO por 1 minuto; Grupo 3 - L?minas de T?ntalo expostas ao PEO por 3 minutos; Grupo 4 - L?minas de T?ntalo expostas ao PEO por 5 minutos. Os resultados foram muito satisfat?rios ao considerar a deposi??o de sais e modifica??o superficial, muito similar ?queles j? vistos no Tit?nio depois de exposto ao processo de anodiza??o.Made available in DSpace on 2015-04-14T13:30:39Z (GMT). No. of bitstreams: 1 466188.pdf: 3447258 bytes, checksum: 508bf181d5a5fbbd572dfa7dfa3c800a (MD5) Previous issue date: 2014-03-24application/pdfhttp://tede2.pucrs.br:80/tede2/retrieve/8323/466188.pdf.jpgporPontif?cia Universidade Cat?lica do Rio Grande do SulPrograma de P?s-Gradua??o em OdontologiaPUCRSBRFaculdade de OdontologiaODONTOLOGIAPR?TESE DENT?RIAIMPLANTODONTIAMATERIAIS DENT?RIOSCNPQ::CIENCIAS DA SAUDE::ODONTOLOGIAAvalia??o do t?ntalo ap?s tratamento de superf?cie com oxida??o por plasma eletrol?tico (PEO)info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis-80965548187336651645006004673435736271820140info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da PUC_RSinstname:Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS)instacron:PUC_RSTHUMBNAIL466188.pdf.jpg466188.pdf.jpgimage/jpeg3374http://tede2.pucrs.br/tede2/bitstream/tede/1280/3/466188.pdf.jpg909b3045930f083856177efd295c4e58MD53TEXT466188.pdf.txt466188.pdf.txttext/plain45916http://tede2.pucrs.br/tede2/bitstream/tede/1280/2/466188.pdf.txt3fe6fbb9d5ed2cd032ebc1a8b973c3aeMD52ORIGINAL466188.pdfapplication/pdf3447258http://tede2.pucrs.br/tede2/bitstream/tede/1280/1/466188.pdf508bf181d5a5fbbd572dfa7dfa3c800aMD51tede/12802015-04-30 08:15:31.731oai:tede2.pucrs.br:tede/1280Biblioteca Digital de Teses e Dissertaçõeshttp://tede2.pucrs.br/tede2/PRIhttps://tede2.pucrs.br/oai/requestbiblioteca.central@pucrs.br||opendoar:2015-04-30T11:15:31Biblioteca Digital de Teses e Dissertações da PUC_RS - Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS)false |
dc.title.por.fl_str_mv |
Avalia??o do t?ntalo ap?s tratamento de superf?cie com oxida??o por plasma eletrol?tico (PEO) |
title |
Avalia??o do t?ntalo ap?s tratamento de superf?cie com oxida??o por plasma eletrol?tico (PEO) |
spellingShingle |
Avalia??o do t?ntalo ap?s tratamento de superf?cie com oxida??o por plasma eletrol?tico (PEO) Goularte, Marcelo Augusto Pinto Cardoso ODONTOLOGIA PR?TESE DENT?RIA IMPLANTODONTIA MATERIAIS DENT?RIOS CNPQ::CIENCIAS DA SAUDE::ODONTOLOGIA |
title_short |
Avalia??o do t?ntalo ap?s tratamento de superf?cie com oxida??o por plasma eletrol?tico (PEO) |
title_full |
Avalia??o do t?ntalo ap?s tratamento de superf?cie com oxida??o por plasma eletrol?tico (PEO) |
title_fullStr |
Avalia??o do t?ntalo ap?s tratamento de superf?cie com oxida??o por plasma eletrol?tico (PEO) |
title_full_unstemmed |
Avalia??o do t?ntalo ap?s tratamento de superf?cie com oxida??o por plasma eletrol?tico (PEO) |
title_sort |
Avalia??o do t?ntalo ap?s tratamento de superf?cie com oxida??o por plasma eletrol?tico (PEO) |
author |
Goularte, Marcelo Augusto Pinto Cardoso |
author_facet |
Goularte, Marcelo Augusto Pinto Cardoso |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Hirakata, Luciana Mayumi |
dc.contributor.advisor1ID.fl_str_mv |
CPF:73214000004 |
dc.contributor.advisor1Lattes.fl_str_mv |
http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4751887U3 |
dc.contributor.authorID.fl_str_mv |
CPF:93103735049 |
dc.contributor.authorLattes.fl_str_mv |
http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4718648U2 |
dc.contributor.author.fl_str_mv |
Goularte, Marcelo Augusto Pinto Cardoso |
contributor_str_mv |
Hirakata, Luciana Mayumi |
dc.subject.por.fl_str_mv |
ODONTOLOGIA PR?TESE DENT?RIA IMPLANTODONTIA MATERIAIS DENT?RIOS |
topic |
ODONTOLOGIA PR?TESE DENT?RIA IMPLANTODONTIA MATERIAIS DENT?RIOS CNPQ::CIENCIAS DA SAUDE::ODONTOLOGIA |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS DA SAUDE::ODONTOLOGIA |
description |
Every year scientists and biomedical manufacturers bring to the market new biocompatible materials to use as prosthetic devices for the human body. Following that trend, oral implants manufactured with a Tantalum alloy started to be marketed in 2010 by a top orthopedic company. Although this metal has already been tested in dentistry and did not show satisfactory results from an experimental as well as a clinical standpoint in the past, the lack of a successful record was due to a poor comprehension of many important factors involved in the Osseointegration phenomenon. From the fixture design to the understanding of bone biology, the years of research have shown that survival and success in oral implantology is much more than the alloy can tell. And since bone histology has proved that Tantalum has a good healing response, we decided to subject this metal to a surface treatment similar to those regularly applied to Titanium fixtures. Using an especially PEO (Plasma Electrolytic Oxidation) devised protocol we have tried to evaluate the production of a surface oxidation and salt deposition on the metal surface and verify them using SEM (Scanning Electron Microscopy) and EDS (Energy Dispersive X-Ray Detector or EDX). For that matter, four groups were prepared: Group 1 non-altered Tantalum metal sheets surfaces; Group 2 Tantalum metal sheets exposed to PEO for 1 minute; Group 3 Tantalum metal sheets exposed to PEO for 3 minutes; Group 4 Tantalum metal sheets exposed to PEO for 5 minutes. The results were very satisfactory regarding salt deposition and surface modification and similar to those already seen on Titanium after anodization. |
publishDate |
2014 |
dc.date.issued.fl_str_mv |
2014-03-24 |
dc.date.accessioned.fl_str_mv |
2015-04-14T13:30:39Z |
dc.date.available.fl_str_mv |
2015-03-12 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
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dc.identifier.citation.fl_str_mv |
GOULARTE, Marcelo Augusto Pinto Cardoso. Avalia??o do t?ntalo ap?s tratamento de superf?cie com oxida??o por plasma eletrol?tico (PEO). 2014. 44 f. Disserta??o (Mestrado em Odontologia) - Pontif?cia Universidade Cat?lica do Rio Grande do Sul, Porto Alegre, 2014. |
dc.identifier.uri.fl_str_mv |
http://tede2.pucrs.br/tede2/handle/tede/1280 |
identifier_str_mv |
GOULARTE, Marcelo Augusto Pinto Cardoso. Avalia??o do t?ntalo ap?s tratamento de superf?cie com oxida??o por plasma eletrol?tico (PEO). 2014. 44 f. Disserta??o (Mestrado em Odontologia) - Pontif?cia Universidade Cat?lica do Rio Grande do Sul, Porto Alegre, 2014. |
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http://tede2.pucrs.br/tede2/handle/tede/1280 |
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