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Effect of adhesive system and application strategy on reduction of dentin permeability
Carvalho, Adriana Oliveira; Oliveira, Marcelo Tavares de; Nikaido, Toru; Tagami, Junji; Giannini, Marcelo.
  • Carvalho, Adriana Oliveira; Campinas State University. Piracicaba School of Dentistry. Department of Restorative Dentistry. Piracicaba. BR
  • Oliveira, Marcelo Tavares de; Tokyo Medical & Dental University. Graduate School. Department of Restorative Sciences. Tokyo. JP
  • Nikaido, Toru; Tokyo Medical & Dental University. Graduate School. Department of Restorative Sciences. Tokyo. JP
  • Tagami, Junji; Tokyo Medical & Dental University. Graduate School. Department of Restorative Sciences. Tokyo. JP
  • Giannini, Marcelo; Campinas State University. Piracicaba School of Dentistry. Department of Restorative Dentistry. Piracicaba. BR
Braz. oral res ; 26(5): 397-403, Sept.-Oct. 2012. ilus, tab
Artículo en Inglés | LILACS | ID: lil-649366
ABSTRACT
This study evaluated the effect of adhesive systems and application strategies on dentin hydraulic conductance (HC). The buccal enamel was removed from bovine incisors to simulate laminate cavity preparations. After removing the roots and the coronal pulp, the buccal dentin was treated with EDTA solution (0.5 M) for 5 minutes, rinsed, ultrasonicated for 12 minutes and connected to a permeability device. HC of the specimens was measured at 10 psi (n = 5). Permeability was measured before and after bonding procedures using G-Bond (GB), Clearfil Tri-S Bond (CTS), Hybrid Coat (HY), Bond Force (BF), Adper Easy Bond (AEB) Silorane (SI), Clearfil SE Bond (CSE) and Adper Scotchbond Multi-Purpose (SMP) adhesives systems, which were applied following three strategies 1) according to the manufacturers' instructions; 2) two coats of all-in-one self-etching adhesives (GB, CTS, HY, BF, AEB) or priming step plus two coats of bonding resin for the other systems (SI, CSE and SMP); and 3) a thin layer of a flowable composite applied over one coat of all-in-one self-etching adhesives or primed surface for SI, CSE and SMP adhesives. No significant difference was observed among the application modes concerning their ability to reduce HC. None of the adhesives showed complete sealing (100%) of the bovine tooth dentin. SI exhibited lower HC than SMP, however, they were not significantly different from the other systems. The results suggest that all systems tested result in an HC reduction of more than 90%. The wet bonding technique seemed to be more sensitive for dentin sealing.
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Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Recubrimiento Dental Adhesivo / Recubrimientos Dentinarios / Permeabilidad de la Dentina Límite: Animales Idioma: Inglés Revista: Braz. oral res Asunto de la revista: Odontología Año: 2012 Tipo del documento: Artículo / Documento de proyecto País de afiliación: Brasil / Japón Institución/País de afiliación: Campinas State University/BR / Tokyo Medical & Dental University/JP

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Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Recubrimiento Dental Adhesivo / Recubrimientos Dentinarios / Permeabilidad de la Dentina Límite: Animales Idioma: Inglés Revista: Braz. oral res Asunto de la revista: Odontología Año: 2012 Tipo del documento: Artículo / Documento de proyecto País de afiliación: Brasil / Japón Institución/País de afiliación: Campinas State University/BR / Tokyo Medical & Dental University/JP