Restorative Dentistry and Endodontics

  • 제40권1호
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  • Pages.23-29
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  • 2015
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  • 2234-7658(pISSN)
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  • 2234-7666(eISSN)
대한치과보존학회 (The Korean Academy of Conservative Dentistry)
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Microtensile bond strength of silorane-based composite specific adhesive system using different bonding strategies

  • Bastos, Laura Alves (Department of Dental Materials and Prosthodontics, Ribeirao Preto School of Dentistry, University of Sao Paulo) ;
  • Sousa, Ana Beatriz Silva (Department of Dental Materials and Prosthodontics, Ribeirao Preto School of Dentistry, University of Sao Paulo) ;
  • Drubi-Filho, Brahim (Department of Dental Materials and Prosthodontics, Ribeirao Preto School of Dentistry, University of Sao Paulo) ;
  • Pires-de-Souza, Fernanda de Carvalho Panzeri (Department of Dental Materials and Prosthodontics, Ribeirao Preto School of Dentistry, University of Sao Paulo) ;
  • Garcia, Lucas da Fonseca Roberti (Department of Dental Materials and Prosthodontics, Ribeirao Preto School of Dentistry, University of Sao Paulo)
  • 투고 : 2014.04.01
  • 심사 : 2014.08.06
  • 발행 : 2015.02.28
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초록

Objectives: The aim of this study was to evaluate the effect of pre-etching on the bond strength of silorane-based composite specific adhesive system to dentin. Materials and Methods: Thirty human molars were randomly divided into 5 groups according to the different bonding strategies. For teeth restored with silorane-based composite (Filtek Silorane, 3M ESPE), the specific self-etching adhesive system (Adhesive System P90, 3M ESPE) was used with and without pre-etching (Pre-etching/Silorane and Silorane groups). Teeth restored with methacrylate based-composite (Filtek Z250, 3M ESPE) were hybridized with the two-step self-etching system (Clearfil SE Bond, Kuraray), with and without pre-etching (Pre-etching/Methacrylate and Methacrylate groups), or three-step adhesive system (Adper Scotchbond Multi-Purpose, 3M ESPE) (Three-step/Methacrylate group) (n = 6). The restored teeth were sectioned into stick-shaped test specimens ($1.0{\times}1.0mm$), and coupled to a universal test machine (0.5 mm/min) to perform microtensile testing. Results: Pre-etching/Methacrylate group presented the highest bond strength values, with significant difference from Silorane and Three-step/Methacrylate groups (p < 0.05). However, it was not significantly different from Pre-etching/Silorane and Methacrylate groups. Conclusions: Pre-etching increased bond strength of silorane-based composite specific adhesive system to dentin.

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참고문헌

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