Impact of adhesive and photoactivation method on sealant integrity and polymer network formation

We evaluated the influence of photoactivation method and hydrophobic resin (HR) application on the marginal and internal adaptation, hardness (KHN), and crosslink density (CLD) of a resin-based fissure sealant. Model fissures were created in bovine enamel fragments (n = 10) and sealed using one of t...

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Principais autores: Borges, Boniek Castillo Dutra, Pereira, Fabrício Lopes da Rocha, Alonso, Roberta Caroline Bruschi, Braz, Rodivan, Montes, Marcos Antônio Japiassú Resende, Pinheiro, I. V. A., Santos, Alex Jose Souza dos
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Idioma:eng
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Assuntos:
Hardness tests
Dental marginal adaptation
Polymerization
Endereço do item:https://repositorio.ufrn.br/jspui/handle/123456789/22991
http://dx.doi.org/10.1590/S1806-83242012000300011
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spelling ri-123456789-229912021-12-09T17:38:55Z Impact of adhesive and photoactivation method on sealant integrity and polymer network formation Borges, Boniek Castillo Dutra Pereira, Fabrício Lopes da Rocha Alonso, Roberta Caroline Bruschi Braz, Rodivan Montes, Marcos Antônio Japiassú Resende Pinheiro, I. V. A. Santos, Alex Jose Souza dos Hardness tests Dental marginal adaptation Polymerization We evaluated the influence of photoactivation method and hydrophobic resin (HR) application on the marginal and internal adaptation, hardness (KHN), and crosslink density (CLD) of a resin-based fissure sealant. Model fissures were created in bovine enamel fragments (n = 10) and sealed using one of the following protocols: no adhesive system + photoactivation of the sealant using continuous light (CL), no adhesive system + photoactivation of the sealant using the soft-start method (SS), HR + CL, or HR + SS. Marginal and internal gaps and KHN were assessed after storage in water for 24 h. The CLD was indirectly assessed by repeating the KHN measurement after 24 h of immersion in 100% ethanol. There was no difference among the samples with regard to marginal or internal adaptation. The KHN and CLD were similar for samples cured using either photoactivation method. Use of a hydrophobic resin prior to placement of fissure sealants and curing the sealant using the soft-start method may not provide any positive influence on integrity or crosslink density. 2017-05-16T13:23:55Z 2017-05-16T13:23:55Z 2012 article BORGES, B. C. D. et al. Impact of adhesive and photoactivation method on sealant integrity and polymer network formation. Brazilian Oral Research, v. 26, n. 3, p. 249-255, 2012. https://repositorio.ufrn.br/jspui/handle/123456789/22991 http://dx.doi.org/10.1590/S1806-83242012000300011 eng Acesso Aberto application/pdf
institution Repositório Institucional
collection RI - UFRN
language eng
topic Hardness tests
Dental marginal adaptation
Polymerization
spellingShingle Hardness tests
Dental marginal adaptation
Polymerization
Borges, Boniek Castillo Dutra
Pereira, Fabrício Lopes da Rocha
Alonso, Roberta Caroline Bruschi
Braz, Rodivan
Montes, Marcos Antônio Japiassú Resende
Pinheiro, I. V. A.
Santos, Alex Jose Souza dos
Impact of adhesive and photoactivation method on sealant integrity and polymer network formation
description We evaluated the influence of photoactivation method and hydrophobic resin (HR) application on the marginal and internal adaptation, hardness (KHN), and crosslink density (CLD) of a resin-based fissure sealant. Model fissures were created in bovine enamel fragments (n = 10) and sealed using one of the following protocols: no adhesive system + photoactivation of the sealant using continuous light (CL), no adhesive system + photoactivation of the sealant using the soft-start method (SS), HR + CL, or HR + SS. Marginal and internal gaps and KHN were assessed after storage in water for 24 h. The CLD was indirectly assessed by repeating the KHN measurement after 24 h of immersion in 100% ethanol. There was no difference among the samples with regard to marginal or internal adaptation. The KHN and CLD were similar for samples cured using either photoactivation method. Use of a hydrophobic resin prior to placement of fissure sealants and curing the sealant using the soft-start method may not provide any positive influence on integrity or crosslink density.
format article
author Borges, Boniek Castillo Dutra
Pereira, Fabrício Lopes da Rocha
Alonso, Roberta Caroline Bruschi
Braz, Rodivan
Montes, Marcos Antônio Japiassú Resende
Pinheiro, I. V. A.
Santos, Alex Jose Souza dos
author_facet Borges, Boniek Castillo Dutra
Pereira, Fabrício Lopes da Rocha
Alonso, Roberta Caroline Bruschi
Braz, Rodivan
Montes, Marcos Antônio Japiassú Resende
Pinheiro, I. V. A.
Santos, Alex Jose Souza dos
author_sort Borges, Boniek Castillo Dutra
title Impact of adhesive and photoactivation method on sealant integrity and polymer network formation
title_short Impact of adhesive and photoactivation method on sealant integrity and polymer network formation
title_full Impact of adhesive and photoactivation method on sealant integrity and polymer network formation
title_fullStr Impact of adhesive and photoactivation method on sealant integrity and polymer network formation
title_full_unstemmed Impact of adhesive and photoactivation method on sealant integrity and polymer network formation
title_sort impact of adhesive and photoactivation method on sealant integrity and polymer network formation
publishDate 2017
url https://repositorio.ufrn.br/jspui/handle/123456789/22991
http://dx.doi.org/10.1590/S1806-83242012000300011
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