Restorative Dentistry and Endodontics

  • 제29권3호
  • /
  • Pages.233-238
  • /
  • 2004
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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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복합레진의 지연충전이 미세인장 결합강도에 미치는 영향

THE EFFECT OF DELAYED COMPOSITE RESIN FILLING ON MICROTENSILE BOND STRENGTH

  • 박현식 (조선대학교 치과대학 치과보존학교실) ;
  • 조영곤 (조선대학교 치과대학 치과보존학교실) ;
  • 박병철 (조선대학교 치과대학 치과보존학교실) ;
  • 김종욱 (조선대학교 치과대학 치과보존학교실) ;
  • 최희영 (조선대학교 치과대학 치과보존학교실) ;
  • 김종진 (조선대학교 치과대학 치과보존학교실) ;
  • 진철희 (조선대학교 치과대학 치과보존학교실) ;
  • 유상훈 (조선대학교 치과대학 치과보존학교실) ;
  • 기영재 (조선대학교 치과대학 치과보존학교실)
  • Park, Hyun-Sik (Department of Conservative Dentistry, College of Dentistry, Chosun University) ;
  • Cho, Young-Gon (Department of Conservative Dentistry, College of Dentistry, Chosun University) ;
  • Park, Byung-Cheul (Department of Conservative Dentistry, College of Dentistry, Chosun University) ;
  • Kim, Jong-Uk (Department of Conservative Dentistry, College of Dentistry, Chosun University) ;
  • Choi, Hee-Young (Department of Conservative Dentistry, College of Dentistry, Chosun University) ;
  • Kim, Jong-Jin (Department of Conservative Dentistry, College of Dentistry, Chosun University) ;
  • Jin, Cheul-Hee (Department of Conservative Dentistry, College of Dentistry, Chosun University) ;
  • Yoo, Sang-Hoon (Department of Conservative Dentistry, College of Dentistry, Chosun University) ;
  • Ki, Young-Jae (Department of Conservative Dentistry, College of Dentistry, Chosun University)
  • 발행 : 2004.05.01
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초록

The purpose of this study was to evaluate the effect of immediate or delayed composite resin filling on dentinal microtensile bond strength (${\mu}TBS$) after applied the adhesive. The coronal dentin of human third molars was exposed. Single-Bond or One-Step was applied on the dentin surfaces. and composite resin were constructed immediately (group 1) or 5min., 10min., 15min., 20min. and 30min. (groups 2-6) after an adhesive was applied. The specimens were sectioned and made bar-shaped. Each surface area of them was about $1\textrm{mm}^2$. The ${\mu}TBS$ test was performed by EZ test. The results were analysed by One-way ANOVA and Tukey's test at 95% significance level. The results suggested that the ${\mu}TBS$ of Single-Bond to dentin was decreased when the composite resin was constructed 20min. and 30min. after Single-Bond was applied. But the ${\mu}TBS$ of One-Step was not affected by delayed composite resin filling.

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