Restorative Dentistry and Endodontics

  • 제29권2호
  • /
  • Pages.191-199
  • /
  • 2004
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  • 2234-7658(pISSN)
  • /
  • 2234-7666(eISSN)
대한치과보존학회 (The Korean Academy of Conservative Dentistry)
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수종 코어용 복합레진 수복재의 물성에 관한 연구

A STUDY ON THE MATERIAL PROPERTIES OF VARIOUS COMPOSITE RESINS FOR CORE BUILD-UP

  • 신수일 (단국대학교 치과대학 보존학교실) ;
  • 신동훈 (단국대학교 치과대학 보존학교실)
  • Shin, Soo-Il (Department of Conservative Dentistry, College of Dentitstry, Dankook University) ;
  • Shin, Dong-Hoon (Department of Conservative Dentistry, College of Dentitstry, Dankook University)
  • 발행 : 2004.03.01
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초록

The purposes of this study were to estimate the material properties of the recently developed domestic composite resins for core filling material (Chemical, Dual A, Dual B；Vericom, Korea) and to compare them with other marketed foreign products (CorePaste, Den-Mat, USA；Ti-Core, Essential Dental Systems, USA；Support. SCI-Pharm. USA). Six assessments were made：working time. setting time. depth of polymerization. flexural strength. bonding strength. and marginal leakage. All items were compared to ISO standards. All domestic products satisfied the minimum requirements from ISO standards (working time：above 90 seconds. setting time：within 5 minutes). and showed significantly higher flexural strength than Core Paste. Dual A and B could. especially. reduce the setting time to 60 seconds when cured with $600mW/cm^2$ light intensity. All experimental materials showed 6 mm depth of polymerization. Bond strengths of Ti-Core and Dual B materials were significantly higher than the other materials. Furthermore. three domestic products and Ti-Core could reduce the microleakage effectively.

키워드

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피인용 문헌

  1. Effect of surface treatments of fiber posts on bond strength to composite resin cores vol.35, pp.3, 2010, https://doi.org/10.5395/JKACD.2010.35.3.173