Polymerization efficiency of different photocuring units through ceramic discs

DOI to cite this document:: 10.5283/epub.1949

Jung, Heike ; Friedl, Karl-Heinz ; Hiller, Karl-Anton ; Furch, Henning ; Bernhart, Stefan ; Schmalz, Gottfried

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Date of publication of this fulltext: 05 Aug 2009 13:35

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Abstract

This study compared the ability of a variety of light sources and exposure modes to polymerize a dual-cured resin composite through ceramic discs of different thicknesses by depth of cure and Vickers microhardness (VHN). Ceramic specimens (360) (Empress 2 [Ivoclar Vivadent], color 300, diameter 4 mm, height 1 or 2 mm) were prepared and inserted into steel molds according to ISO 4049, after which ...