Ensaio clínico randomizado duplo-cego comparando a eficácia, longevidade e tolerância de duas concentrações de peróxido de carbamida utilizadas no clareamento vital caseiro
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Tipo de documento: | Tese |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFPel - Guaiaca |
Texto Completo: | http://guaiaca.ufpel.edu.br/handle/123456789/2217 |
Resumo: | The aim of this double-blind randomized clinical trial was to verify the efficacy, longevity and tolerability of two carbamide peroxide concentrations used in at home vital bleaching. Ninety-two volunteers with shade mean C1 or darker for the six maxillary anterior teeth were randomized into two groups (n= 46) according to bleaching carbamide peroxide concentration: 10% (CP10) or 16% (CP16). Participants were instructed to use the whitening agent in a tray for two hours/day during three weeks. Shade evaluations were done with a value-oriented shade guide and a digital spectrophotometer at baseline and, at one week, 6 and 12 months after bleaching treatment. Tooth sensitivity was measured daily using a scale ranging from 0 (no sensitivity) to 4 (severe sensitivity). At 6 and 12-month follow-up periods, a questionnaire was applied including questions related to alimentary habits and oral hygiene aiming to verify if these factors could influence the durability of the bleaching treatment. One-week post-bleaching, both carbamide peroxide concentrations resulted in teeth significantly lighter than at baseline (p< 0.001) and, there were not significant differences between groups (p> 0.1). The group treated with CP16 related more tooth sensitivity during the first (p= 0.02) and third (p= 0.01) weeks of treatment than the CP10 group. However, no major difference was observed (p= 0.09) when the degree of tooth sensitivity between groups was compared. After 12-month follow-up, both concentrations resulted in tooth significantly lighter than baseline for all color parameters (p< 0.01) and tooth shade median (p< 0.001), and there was a tooth shade median relapse for CP16 when compared to 1-week post-bleaching (p< 0.04). At 6 and 12-month recalls, subjects from CP10 and CP16 reported a high consumption of beverage and food stains, which was not different between groups (p= 0.5). Both carbamide peroxide concentrations tested were well-tolerated and, although the shade relapse had been observed for the CP16 group, the whitening effect remained satisfactory after 12-month follow-up |
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http://lattes.cnpq.br/9174082167660676http://lattes.cnpq.br/5439768560638141Santos, Ina da Silva doshttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4790967T2&dataRevisao=nullDemarco, Flávio FernandoMeireles, Sônia Saeger2014-08-20T14:30:05Z2014-02-102014-08-20T14:30:05Z2008-08-04MEIRELES, Sônia Saeger. A randomized double-blind clinical trial comparing the efficacy, longevity and tolerability of two carbamide peroxide concentrations used for at-home vital bleaching. 2008. 121 f. Tese (Doutorado em Odontologia) - Universidade Federal de Pelotas, Pelotas, 2008.http://guaiaca.ufpel.edu.br/handle/123456789/2217The aim of this double-blind randomized clinical trial was to verify the efficacy, longevity and tolerability of two carbamide peroxide concentrations used in at home vital bleaching. Ninety-two volunteers with shade mean C1 or darker for the six maxillary anterior teeth were randomized into two groups (n= 46) according to bleaching carbamide peroxide concentration: 10% (CP10) or 16% (CP16). Participants were instructed to use the whitening agent in a tray for two hours/day during three weeks. Shade evaluations were done with a value-oriented shade guide and a digital spectrophotometer at baseline and, at one week, 6 and 12 months after bleaching treatment. Tooth sensitivity was measured daily using a scale ranging from 0 (no sensitivity) to 4 (severe sensitivity). At 6 and 12-month follow-up periods, a questionnaire was applied including questions related to alimentary habits and oral hygiene aiming to verify if these factors could influence the durability of the bleaching treatment. One-week post-bleaching, both carbamide peroxide concentrations resulted in teeth significantly lighter than at baseline (p< 0.001) and, there were not significant differences between groups (p> 0.1). The group treated with CP16 related more tooth sensitivity during the first (p= 0.02) and third (p= 0.01) weeks of treatment than the CP10 group. However, no major difference was observed (p= 0.09) when the degree of tooth sensitivity between groups was compared. After 12-month follow-up, both concentrations resulted in tooth significantly lighter than baseline for all color parameters (p< 0.01) and tooth shade median (p< 0.001), and there was a tooth shade median relapse for CP16 when compared to 1-week post-bleaching (p< 0.04). At 6 and 12-month recalls, subjects from CP10 and CP16 reported a high consumption of beverage and food stains, which was not different between groups (p= 0.5). Both carbamide peroxide concentrations tested were well-tolerated and, although the shade relapse had been observed for the CP16 group, the whitening effect remained satisfactory after 12-month follow-upO objetivo deste ensaio clínico randomizado duplo-cego foi verificar a eficácia, longevidade e tolerância de duas concentrações de peróxido de carbamida utilizadas no clareamento vital caseiro. Noventa e dois voluntários, com média de coloração dos seis elementos ântero-superiores C1 ou mais escura, foram randomizados em dois grupos (n= 46) de acordo com a concentração de peróxido de carbamida: 10% (PC10) ou 16% (PC16). Os participantes foram instruídos a usarem moldeiras carregadas com o agente clareador 2h/dia, durante três semanas. O registro da cor foi realizado através de escala de cores e espectrofotômetro digital no baseline, 1 semana, 6 e 12 meses após o tratamento. O grau de sensibilidade dentária foi registrado diariamente em escala analógica visual, variando de 0 (nenhum) a 4 (severa). Nas avaliações de 6 e 12 meses após o tratamento, foi aplicado questionário relacionado aos hábitos alimentares e de higiene oral a fim de verificar se estes fatores influenciariam na longevidade do tratamento clareador. Uma semana após o tratamento, ambas as concentrações resultaram em dentes significativamente mais claros que o baseline (p< 0.001), não sendo observada diferença significante entre os grupos (p> 0.1). O PC16 relatou mais sensibilidade dentária durante a primeira (p= 0.02) e terceira (p= 0.01) semanas de tratamento. No entanto, não foi observada diferença entre os grupos quanto ao grau de sensibilidade relatada (p= 0.09). Após 12 meses de acompanhamento, pacientes tratados com PC10 ou PC16 permaneceram com dentes significativamente mais claros que o baseline para todos os parâmetros de cor (p< 0.01) e mediana de cor (p< 0.001). Foi observada uma pequena regressão da mediana de cor para o PC16 quando comparado a uma semana pós-tratamento (p< 0.04). Nas avaliações de 6 e 12 meses, participantes do PC10 e PC16 relataram um alto consumo de alimentos e bebidas corantes, o qual não foi diferente entre os grupos (p> 0.5). Ambas as concentrações de peróxido de carbamida testadas foram bem toleradas e, embora se tenha observado uma pequena regressão da cor para o PC16, o efeito clareador permaneceu satisfatório após 12 meses de acompanhamentoapplication/pdfporUniversidade Federal de PelotasPrograma de Pós-Graduação em OdontologiaUFPelBROdontologiaClareamento de dentePeróxidosEficáciaTooth bleachingPeroxidesEfficacyCNPQ::CIENCIAS DA SAUDE::ODONTOLOGIAEnsaio clínico randomizado duplo-cego comparando a eficácia, longevidade e tolerância de duas concentrações de peróxido de carbamida utilizadas no clareamento vital caseiroA randomized double-blind clinical trial comparing the efficacy, longevity and tolerability of two carbamide peroxide concentrations used for at-home vital bleachinginfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFPel - Guaiacainstname:Universidade Federal de Pelotas (UFPEL)instacron:UFPELORIGINALtese_sonia_saeger_meireles.pdfapplication/pdf3113777http://guaiaca.ufpel.edu.br/xmlui/bitstream/123456789/2217/1/tese_sonia_saeger_meireles.pdf5d14a32b1bd99f1daa688446d1299099MD51open accessTEXTtese_sonia_saeger_meireles.pdf.txttese_sonia_saeger_meireles.pdf.txtExtracted Texttext/plain192077http://guaiaca.ufpel.edu.br/xmlui/bitstream/123456789/2217/2/tese_sonia_saeger_meireles.pdf.txte621bc67cfb74daef249507d0c429eedMD52open accessTHUMBNAILtese_sonia_saeger_meireles.pdf.jpgtese_sonia_saeger_meireles.pdf.jpgGenerated Thumbnailimage/jpeg1449http://guaiaca.ufpel.edu.br/xmlui/bitstream/123456789/2217/3/tese_sonia_saeger_meireles.pdf.jpge401f6a414d5612d7bbfb7a89eeeb925MD53open access123456789/22172023-07-02 09:51:25.573open accessoai:guaiaca.ufpel.edu.br:123456789/2217Repositório InstitucionalPUBhttp://repositorio.ufpel.edu.br/oai/requestrippel@ufpel.edu.br || repositorio@ufpel.edu.br || aline.batista@ufpel.edu.bropendoar:2023-07-02T12:51:25Repositório Institucional da UFPel - Guaiaca - Universidade Federal de Pelotas (UFPEL)false |
dc.title.por.fl_str_mv |
Ensaio clínico randomizado duplo-cego comparando a eficácia, longevidade e tolerância de duas concentrações de peróxido de carbamida utilizadas no clareamento vital caseiro |
dc.title.alternative.eng.fl_str_mv |
A randomized double-blind clinical trial comparing the efficacy, longevity and tolerability of two carbamide peroxide concentrations used for at-home vital bleaching |
title |
Ensaio clínico randomizado duplo-cego comparando a eficácia, longevidade e tolerância de duas concentrações de peróxido de carbamida utilizadas no clareamento vital caseiro |
spellingShingle |
Ensaio clínico randomizado duplo-cego comparando a eficácia, longevidade e tolerância de duas concentrações de peróxido de carbamida utilizadas no clareamento vital caseiro Meireles, Sônia Saeger Clareamento de dente Peróxidos Eficácia Tooth bleaching Peroxides Efficacy CNPQ::CIENCIAS DA SAUDE::ODONTOLOGIA |
title_short |
Ensaio clínico randomizado duplo-cego comparando a eficácia, longevidade e tolerância de duas concentrações de peróxido de carbamida utilizadas no clareamento vital caseiro |
title_full |
Ensaio clínico randomizado duplo-cego comparando a eficácia, longevidade e tolerância de duas concentrações de peróxido de carbamida utilizadas no clareamento vital caseiro |
title_fullStr |
Ensaio clínico randomizado duplo-cego comparando a eficácia, longevidade e tolerância de duas concentrações de peróxido de carbamida utilizadas no clareamento vital caseiro |
title_full_unstemmed |
Ensaio clínico randomizado duplo-cego comparando a eficácia, longevidade e tolerância de duas concentrações de peróxido de carbamida utilizadas no clareamento vital caseiro |
title_sort |
Ensaio clínico randomizado duplo-cego comparando a eficácia, longevidade e tolerância de duas concentrações de peróxido de carbamida utilizadas no clareamento vital caseiro |
author |
Meireles, Sônia Saeger |
author_facet |
Meireles, Sônia Saeger |
author_role |
author |
dc.contributor.authorLattes.por.fl_str_mv |
http://lattes.cnpq.br/9174082167660676 |
dc.contributor.advisorLattes.por.fl_str_mv |
http://lattes.cnpq.br/5439768560638141 |
dc.contributor.advisor-co1.fl_str_mv |
Santos, Ina da Silva dos |
dc.contributor.advisor-co1Lattes.fl_str_mv |
http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4790967T2&dataRevisao=null |
dc.contributor.advisor1.fl_str_mv |
Demarco, Flávio Fernando |
dc.contributor.author.fl_str_mv |
Meireles, Sônia Saeger |
contributor_str_mv |
Santos, Ina da Silva dos Demarco, Flávio Fernando |
dc.subject.por.fl_str_mv |
Clareamento de dente Peróxidos Eficácia |
topic |
Clareamento de dente Peróxidos Eficácia Tooth bleaching Peroxides Efficacy CNPQ::CIENCIAS DA SAUDE::ODONTOLOGIA |
dc.subject.eng.fl_str_mv |
Tooth bleaching Peroxides Efficacy |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS DA SAUDE::ODONTOLOGIA |
description |
The aim of this double-blind randomized clinical trial was to verify the efficacy, longevity and tolerability of two carbamide peroxide concentrations used in at home vital bleaching. Ninety-two volunteers with shade mean C1 or darker for the six maxillary anterior teeth were randomized into two groups (n= 46) according to bleaching carbamide peroxide concentration: 10% (CP10) or 16% (CP16). Participants were instructed to use the whitening agent in a tray for two hours/day during three weeks. Shade evaluations were done with a value-oriented shade guide and a digital spectrophotometer at baseline and, at one week, 6 and 12 months after bleaching treatment. Tooth sensitivity was measured daily using a scale ranging from 0 (no sensitivity) to 4 (severe sensitivity). At 6 and 12-month follow-up periods, a questionnaire was applied including questions related to alimentary habits and oral hygiene aiming to verify if these factors could influence the durability of the bleaching treatment. One-week post-bleaching, both carbamide peroxide concentrations resulted in teeth significantly lighter than at baseline (p< 0.001) and, there were not significant differences between groups (p> 0.1). The group treated with CP16 related more tooth sensitivity during the first (p= 0.02) and third (p= 0.01) weeks of treatment than the CP10 group. However, no major difference was observed (p= 0.09) when the degree of tooth sensitivity between groups was compared. After 12-month follow-up, both concentrations resulted in tooth significantly lighter than baseline for all color parameters (p< 0.01) and tooth shade median (p< 0.001), and there was a tooth shade median relapse for CP16 when compared to 1-week post-bleaching (p< 0.04). At 6 and 12-month recalls, subjects from CP10 and CP16 reported a high consumption of beverage and food stains, which was not different between groups (p= 0.5). Both carbamide peroxide concentrations tested were well-tolerated and, although the shade relapse had been observed for the CP16 group, the whitening effect remained satisfactory after 12-month follow-up |
publishDate |
2008 |
dc.date.issued.fl_str_mv |
2008-08-04 |
dc.date.accessioned.fl_str_mv |
2014-08-20T14:30:05Z |
dc.date.available.fl_str_mv |
2014-02-10 2014-08-20T14:30:05Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
format |
doctoralThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
MEIRELES, Sônia Saeger. A randomized double-blind clinical trial comparing the efficacy, longevity and tolerability of two carbamide peroxide concentrations used for at-home vital bleaching. 2008. 121 f. Tese (Doutorado em Odontologia) - Universidade Federal de Pelotas, Pelotas, 2008. |
dc.identifier.uri.fl_str_mv |
http://guaiaca.ufpel.edu.br/handle/123456789/2217 |
identifier_str_mv |
MEIRELES, Sônia Saeger. A randomized double-blind clinical trial comparing the efficacy, longevity and tolerability of two carbamide peroxide concentrations used for at-home vital bleaching. 2008. 121 f. Tese (Doutorado em Odontologia) - Universidade Federal de Pelotas, Pelotas, 2008. |
url |
http://guaiaca.ufpel.edu.br/handle/123456789/2217 |
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por |
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por |
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Universidade Federal de Pelotas |
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Programa de Pós-Graduação em Odontologia |
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UFPel |
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BR |
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Odontologia |
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Universidade Federal de Pelotas |
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