Journal of Welding and Joining

The Korean Welding and Joining Society (대한용접접합학회)
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Comparison Study for the Shear Strength of the Bondings between Stainless Steel Crown/Direct Type Composite Resin and Stainless Steel Crown/Indirect Type Composite Resin

치과 치료학에서 적용되는 접합기술 연구 ; 스테인리스강 크라운에 접합된 직접용 콤포짓트 레진과 간접용 콤포짓트 레진의 전단결합강도 비교

  • Kim, Gwang-Soo (Dept. of Materials Engineering, Soonchunhyang University) ;
  • Baek, Kwang-Woo (Dept. of Dentistry, School of Medicine, Aju University)
  • 김광수 (순천향대학교 공과대학 신소재공학과) ;
  • 백광우 (아주대학교 의과대학 치과진료실)
  • Received : 2011.07.18
  • Accepted : 2011.08.26
  • Published : 2011.08.31
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Abstract

This study was performed to compare the shear strength of the bondings between stainless steel crown/direct type composite resin and stainless steel crown/indirect type composite resin. Four groups of bonding conditions were prepared. Two groups of bonding conditions were made by the indirect type composite resin system and the other two groups were made by the direct type composite resin system. The shear strength tests were carried out using universal testing machine, Model 4465 of Instron Co.. It was indicated that the bond strength values of the indirect type composite resins were higher than those of the direct type composite resins. TE-SE group was superior to the TE-ONE in indirect type resin system. These results were thought to be the high degree of the polymerization accompanied with temperature and pressure of the resin of indirect type resin. It was also found that indirect composite resin contains less amount of porosity in resin.

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