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KMID : 0362419930310040506
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Journal of Korean Academy of Prosthodontics
1993 Volume.31 No. 4 p.506 ~ p.514
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The surface hardness of resin cement by thickness of porcelain laminate
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Kang Seok-Ku
Dong Jin-Keun
Jin Tai-Ho
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Abstract
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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 thester(Matsuzawa, Model MXT-70, Japan). @ES The obtained results were as follows: @EN 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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