Influência do pH de géis clareadores e do tempo de aplicação em esmalte pré dessensibilizado na topografia e cor dental
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFG |
Texto Completo: | http://repositorio.bc.ufg.br/tede/handle/tede/7798 |
Resumo: | Tooth bleaching is one of the procedures with the greatest increase in demand, and the number of products and publications in recent years. However, regardless of the technique to be used bleaching, bleaching agents can cause various changes in tooth structure. Some whitening agents have a pH drop over its response action, which can cause changes in the mineral content of the enamel. These changes may be higher when the time of contact between the bleaching agent and the tooth surface is increased. The aim of this study was to investigate the influence of time of application of whitening gel and its effects on tooth structure in pre-desensitized enamel samples with arginine bicarbonate. Eighty enamel blocks (5.5 x 5.5 mm) were obtained from 40 third molar teeth. These were randomly divided into 16 experimental groups (n = 5). Samples were pre-desensitized with arginine bicarbonate (Colgate Pro-Relief) and then bleached as experimental groups, varying the method of application of whitening gels (Opalescence Boost - Ultradent; Total Blanc - DFL) versus time. The pH range of the gel over the application time, the color variation obtained and roughness of the sample surface were evaluated. Results were subjected to statistical analysis with a significance level of 5%, showed similarity between the gels as the bleaching efficiency and roughness standards and longer application times tend to generate higher roughness values. It was concluded that shorter times of application of the whitening gel are more efficient since they cause less damage to enamel and are able to lighten equally and that the use of desensitizing toothpaste Arginine bicarbonate base prior to bleaching does not affect the whitening effect. |
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Fonseca, Rodrigo Borgeshttp://lattes.cnpq.br/8629552867290605Fonseca, Rodrigo BorgesBarata, Terezinha de Jesus EstevesAlto, Raphael Vieira Montehttp://lattes.cnpq.br/0205376654334895Mendes, Gustavo Adolfo Martins2017-09-25T11:44:57Z2016-02-29MENDES, Gustavo Adolfo Martins. Influência do pH de géis clareadores e do tempo de aplicação em esmalte pré dessensibilizado na topografia e cor dental. 2016. 49 f. Dissertação (Mestrado em Odontologia) - Universidade Federal de Goiás, Goiânia, 2016.http://repositorio.bc.ufg.br/tede/handle/tede/7798Tooth bleaching is one of the procedures with the greatest increase in demand, and the number of products and publications in recent years. However, regardless of the technique to be used bleaching, bleaching agents can cause various changes in tooth structure. Some whitening agents have a pH drop over its response action, which can cause changes in the mineral content of the enamel. These changes may be higher when the time of contact between the bleaching agent and the tooth surface is increased. The aim of this study was to investigate the influence of time of application of whitening gel and its effects on tooth structure in pre-desensitized enamel samples with arginine bicarbonate. Eighty enamel blocks (5.5 x 5.5 mm) were obtained from 40 third molar teeth. These were randomly divided into 16 experimental groups (n = 5). Samples were pre-desensitized with arginine bicarbonate (Colgate Pro-Relief) and then bleached as experimental groups, varying the method of application of whitening gels (Opalescence Boost - Ultradent; Total Blanc - DFL) versus time. The pH range of the gel over the application time, the color variation obtained and roughness of the sample surface were evaluated. Results were subjected to statistical analysis with a significance level of 5%, showed similarity between the gels as the bleaching efficiency and roughness standards and longer application times tend to generate higher roughness values. It was concluded that shorter times of application of the whitening gel are more efficient since they cause less damage to enamel and are able to lighten equally and that the use of desensitizing toothpaste Arginine bicarbonate base prior to bleaching does not affect the whitening effect.O clareamento dental é um dos procedimentos com o maior aumento de procura, além do número de produtos e publicações nos últimos anos. No entanto, independentemente da técnica clareadora a ser utilizada, os agentes clareadores podem provocar várias alterações na estrutura dental. Alguns agentes de clareamento tem uma queda do pH ao longo da sua reação de ação, o que pode provocar alterações no conteúdo mineral do esmalte. Estas mudanças podem ser mais elevadas quando o tempo de contato entre o agente clareador e a superfície do dente é aumentado. O objetivo desse trabalho foi verificar a influência do tempo de aplicação do gel clareador e seus efeitos sobre a estrutura dental em amostras de esmalte pré-dessensibilizados com Bicarbonato de Arginina. Oitenta blocos de esmalte dental (5,5 x 5,5 mm) foram obtidos a partir de 40 dentes terceiros molares. Estes foram divididos aleatoriamente em 16 grupos experimentais (n=5). As amostras foram pré-dessensibilizadas com Bicarbonato de Arginina (Colgate Pró-Alívio) e em seguida clareadas conforme os grupos experimentais, variando o método de aplicação de géis clareadores (Opalescence Boost – Ultradent; Total Blanc – DFL) em função do tempo. A variação de pH do gel ao longo dos tempos de aplicação, a variação de cor obtida e rugosidade da superfície das amostras foram avaliados. Resultados foram submetidos a análise estatística com nível de significância em 5%, revelaram semelhança entre os géis quanto a eficácia clareadora e padrões de rugosidade e que tempos de aplicação mais longos tendem a gerar maiores valores de rugosidade. Concluiu-se que tempos de aplicação mais curtos do gel clareador são mais eficientes uma vez que geram menos danos ao esmalte e são capazes de clarear de igual forma e que o uso de creme dental dessensibilizante a base de Bicarbonato de Arginina previamente ao clareamento não altera o efeito clareador.Submitted by Franciele Moreira (francielemoreyra@gmail.com) on 2017-09-22T19:18:39Z No. of bitstreams: 2 Dissertação -Gustavo Adolfo Martins Mendes - 2016.pdf: 2835645 bytes, checksum: c9a699042102d4d37216711d64f67736 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2017-09-25T11:44:57Z (GMT) No. of bitstreams: 2 Dissertação -Gustavo Adolfo Martins Mendes - 2016.pdf: 2835645 bytes, checksum: c9a699042102d4d37216711d64f67736 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)Made available in DSpace on 2017-09-25T11:44:57Z (GMT). No. of bitstreams: 2 Dissertação -Gustavo Adolfo Martins Mendes - 2016.pdf: 2835645 bytes, checksum: c9a699042102d4d37216711d64f67736 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2016-02-29Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESapplication/pdfporUniversidade Federal de GoiásPrograma de Pós-graduação em Odontologia (FO)UFGBrasilFaculdade de Odontologia - FO (RG)http://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessClareamento dentalPeróxido de hidrogênioConcentração de íons de hidrogênioTooth bleachingHydrogen peroxideHydrogen-ion concentrationODONTOLOGIA::MATERIAIS ODONTOLOGICOSInfluência do pH de géis clareadores e do tempo de aplicação em esmalte pré dessensibilizado na topografia e cor dentalInfluence of the pH of bleaching gels and the time of application in pre desensitized enamel on topography and dental colorinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis-2325576619034292269600600600600-556915458157511369131539498507515563062075167498588264571reponame:Repositório Institucional da UFGinstname:Universidade Federal de Goiás (UFG)instacron:UFGLICENSElicense.txtlicense.txttext/plain; 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dc.title.eng.fl_str_mv |
Influência do pH de géis clareadores e do tempo de aplicação em esmalte pré dessensibilizado na topografia e cor dental |
dc.title.alternative.eng.fl_str_mv |
Influence of the pH of bleaching gels and the time of application in pre desensitized enamel on topography and dental color |
title |
Influência do pH de géis clareadores e do tempo de aplicação em esmalte pré dessensibilizado na topografia e cor dental |
spellingShingle |
Influência do pH de géis clareadores e do tempo de aplicação em esmalte pré dessensibilizado na topografia e cor dental Mendes, Gustavo Adolfo Martins Clareamento dental Peróxido de hidrogênio Concentração de íons de hidrogênio Tooth bleaching Hydrogen peroxide Hydrogen-ion concentration ODONTOLOGIA::MATERIAIS ODONTOLOGICOS |
title_short |
Influência do pH de géis clareadores e do tempo de aplicação em esmalte pré dessensibilizado na topografia e cor dental |
title_full |
Influência do pH de géis clareadores e do tempo de aplicação em esmalte pré dessensibilizado na topografia e cor dental |
title_fullStr |
Influência do pH de géis clareadores e do tempo de aplicação em esmalte pré dessensibilizado na topografia e cor dental |
title_full_unstemmed |
Influência do pH de géis clareadores e do tempo de aplicação em esmalte pré dessensibilizado na topografia e cor dental |
title_sort |
Influência do pH de géis clareadores e do tempo de aplicação em esmalte pré dessensibilizado na topografia e cor dental |
author |
Mendes, Gustavo Adolfo Martins |
author_facet |
Mendes, Gustavo Adolfo Martins |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Fonseca, Rodrigo Borges |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/8629552867290605 |
dc.contributor.referee1.fl_str_mv |
Fonseca, Rodrigo Borges |
dc.contributor.referee2.fl_str_mv |
Barata, Terezinha de Jesus Esteves |
dc.contributor.referee3.fl_str_mv |
Alto, Raphael Vieira Monte |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/0205376654334895 |
dc.contributor.author.fl_str_mv |
Mendes, Gustavo Adolfo Martins |
contributor_str_mv |
Fonseca, Rodrigo Borges Fonseca, Rodrigo Borges Barata, Terezinha de Jesus Esteves Alto, Raphael Vieira Monte |
dc.subject.por.fl_str_mv |
Clareamento dental Peróxido de hidrogênio Concentração de íons de hidrogênio |
topic |
Clareamento dental Peróxido de hidrogênio Concentração de íons de hidrogênio Tooth bleaching Hydrogen peroxide Hydrogen-ion concentration ODONTOLOGIA::MATERIAIS ODONTOLOGICOS |
dc.subject.eng.fl_str_mv |
Tooth bleaching Hydrogen peroxide Hydrogen-ion concentration |
dc.subject.cnpq.fl_str_mv |
ODONTOLOGIA::MATERIAIS ODONTOLOGICOS |
description |
Tooth bleaching is one of the procedures with the greatest increase in demand, and the number of products and publications in recent years. However, regardless of the technique to be used bleaching, bleaching agents can cause various changes in tooth structure. Some whitening agents have a pH drop over its response action, which can cause changes in the mineral content of the enamel. These changes may be higher when the time of contact between the bleaching agent and the tooth surface is increased. The aim of this study was to investigate the influence of time of application of whitening gel and its effects on tooth structure in pre-desensitized enamel samples with arginine bicarbonate. Eighty enamel blocks (5.5 x 5.5 mm) were obtained from 40 third molar teeth. These were randomly divided into 16 experimental groups (n = 5). Samples were pre-desensitized with arginine bicarbonate (Colgate Pro-Relief) and then bleached as experimental groups, varying the method of application of whitening gels (Opalescence Boost - Ultradent; Total Blanc - DFL) versus time. The pH range of the gel over the application time, the color variation obtained and roughness of the sample surface were evaluated. Results were subjected to statistical analysis with a significance level of 5%, showed similarity between the gels as the bleaching efficiency and roughness standards and longer application times tend to generate higher roughness values. It was concluded that shorter times of application of the whitening gel are more efficient since they cause less damage to enamel and are able to lighten equally and that the use of desensitizing toothpaste Arginine bicarbonate base prior to bleaching does not affect the whitening effect. |
publishDate |
2016 |
dc.date.issued.fl_str_mv |
2016-02-29 |
dc.date.accessioned.fl_str_mv |
2017-09-25T11:44:57Z |
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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masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
MENDES, Gustavo Adolfo Martins. Influência do pH de géis clareadores e do tempo de aplicação em esmalte pré dessensibilizado na topografia e cor dental. 2016. 49 f. Dissertação (Mestrado em Odontologia) - Universidade Federal de Goiás, Goiânia, 2016. |
dc.identifier.uri.fl_str_mv |
http://repositorio.bc.ufg.br/tede/handle/tede/7798 |
identifier_str_mv |
MENDES, Gustavo Adolfo Martins. Influência do pH de géis clareadores e do tempo de aplicação em esmalte pré dessensibilizado na topografia e cor dental. 2016. 49 f. Dissertação (Mestrado em Odontologia) - Universidade Federal de Goiás, Goiânia, 2016. |
url |
http://repositorio.bc.ufg.br/tede/handle/tede/7798 |
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por |
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3153949850751556306 |
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http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
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http://creativecommons.org/licenses/by-nc-nd/4.0/ |
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Universidade Federal de Goiás |
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UFG |
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Brasil |
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Faculdade de Odontologia - FO (RG) |
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Universidade Federal de Goiás |
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