Raimond N B van Duinen

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OBJECTIVE Fast setting high viscous glass-ionomer cements have been introduced to reach the set state sooner and to improve early mechanical properties. The aim of this study was to investigate whether 'fast-set' cements have improved the early three-body wear. METHOD The three-body wear of four glass-ionomer cements was measured after 1, 4, 7, 30, 90,(More)
Potentially toxic products like the existing composites and their derivatives may harm both patients and dentists and therefore prudence is recommended, particularly in dentistry for children. Biocompatible glassionomers are a meaningful alternative for composites but have low strength and wear resistance. Mechanical properties of self curing GIC's can be(More)
OBJECTIVE The primary objective of the study was to assess the influence of externally applied 'command' set applications on the mechanical properties of several commercially available conventional glass ionomer cement (GIC). METHODS Four different restorative GICs cements (Fuji IX FAST, Fuji IX, Ketac Molar Quick, Ketac Molar) were cured using three(More)
PURPOSE To assess the nature of clinically detectable alterations in glass-ionomer after long-term clinical service. METHODS In addition to clinical macro pictures, SEM was carried out on replicas and on two sectioned primary molars SEM-EDAX analysis was performed to determine chemical transformation in the glass-ionomer. Also with SEM-EDAX, the(More)
Controversy exists regarding the general safety of resin sealants and in particular their use in children, due to the possible leaching of non-polymerized monomers including bisphenol A. A thermally cured high-viscosity glass-ionomer cement (GIC) is suggested as a first-choice sealant material. An innovative approach of thermo-curing the GIC during(More)
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