The Journal of Advanced Prosthodontics

  • 제6권4호
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  • Pages.272-277
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  • 2014
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  • 2005-7806(pISSN)
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  • 2005-7814(eISSN)
대한치과보철학회 (The Korean Academy of Prosthodonitics)
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Evaluation of shear bond strength of repair acrylic resin to Co-Cr alloy

  • Kulunk, Safak (Department of Prosthodontics, Faculty of Dentistry, 19 Mayis University) ;
  • Kulunk, Tolga (Department of Prosthodontics, Faculty of Dentistry, 19 Mayis University) ;
  • Sarac, Duygu (Department of Prosthodontics, Faculty of Dentistry, 19 Mayis University) ;
  • Cengiz, Seda (Department of Prosthodontic, Faculty of Dentistry, Bulent Ecevit University) ;
  • Baba, Seniha (Department of Prosthodontics, Faculty of Dentistry, 19 Mayis University)
  • 투고 : 2013.11.26
  • 심사 : 2014.05.22
  • 발행 : 2014.08.29
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초록

PURPOSE. The purpose of this study was to investigate the impact of different surface treatment methods and thermal ageing on the bond strength of autopolymerizing acrylic resin to Co-Cr. MATERIALS AND METHODS. Co-Cr alloy specimens were divided into five groups according to the surface conditioning methods. C: No treatment; SP: flamed with the Silano-Pen device; K: airborne particle abrasion with $Al_2O_3$; Co: airborne particle abrasion with silica-coated $Al_2O_3$; KSP: flamed with the Silano-Pen device after the group K experimental protocol. Then, autopolymerized acrylic resin was applied to the treated specimen surfaces. All the groups were divided into two subgroups with the thermal cycle and water storage to determine the durability of the bond. The bond strength test was applied in an universal test machine and treated Co-Cr alloys were analyzed by scanning electron microscope (SEM). Two-way analysis of variance (ANOVA) was used to determine the significant differences among surface treatments and thermocycling. Their interactons were followed by a multiple comparison' test performed uing a post hoc Tukey HSD test (${\alpha}=.05$). RESULTS. Surface treatments significantly increased repair strengths of repair resin to Co-Cr alloy. The repair strengths of Group K, and Co significantly decreased after 6,000 cycles (P<.001). CONCLUSION. Thermocycling lead to a significant decrease in shear bond strength for air abrasion with silica-coated aluminum oxide particles. On the contrary, flaming with Silano-Pen did not cause a significant reduction in adhesion after thermocycling.

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참고문헌

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피인용 문헌

  1. Study vol.34, pp.8, 2016, https://doi.org/10.1089/pho.2016.4129