The Journal of Korean Academy of Prosthodontics (대한치과보철학회지)

The Korean Academy of Prosthodonitics (대한치과보철학회)
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THE SURFACE HARDNESS OF RESIN CEMENT BY THICKNESS OF PORCELAIN LAMINATE

도재 라미네이트의 두께의 따른 레진 시멘트의 표면경도에 관한 연구

  • Kang Seok-Koo (Department of Prosthodontics, School of Dentistry, WonKwang University) ;
  • Dong Jin-Keun (Department of Prosthodontics, School of Dentistry, WonKwang University) ;
  • Jin Tai-Ho (Department of Prosthodontics, School of Dentistry, WonKwang University)
  • 강석구 (원광대학교 치과대학 보철학교실) ;
  • 동진근 (원광대학교 치과대학 보철학교실) ;
  • 진태호 (원광대학교 치과대학 보철학교실)
  • Published : 1993.12.01
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Abstract

The purpose of this study was to evaluate the effect of porcelain laminate thickness on polymerization of resin cement. G-Cera resin bonding system(G-C int., Japan) was used in this study and Heliolux II (Vivadent, Austria) was used for polymerization of resin cement. The thickness of porcelain laminates used in this study were 0.5mm, 1.0mm and 1.5mm and the degree of polymerization of resin cement was measured by microhardness theater(Matsuzawa, Model MXT-70, Japan). The obtained results were as follows : 1. The surface hardness of resin cements increaing the thickness of poreclain laminate was decreased. 2. The surface hardness of resin cements increasing the curing time was decreased.

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