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Study of the surface hardness and modulus of elasticity of conventional and microwave-cured acrylic resins
Denture complete Polymethyl methacrylate Hardness Elasticity
2009/10/16
The aim of this study was to evaluate the following acrylic resins: Cl醩sico?/sup>, QC-20?/sup> and Lucitone?/sup>, recommended specifically for thermal polymerization, and Acron MC?/sup> and VIPI-WAVE...
Effects of Mica and Glass on Surface Hardness of Acrylic Tooth Material
Acrylic denture teeth Surface hardness Fillers
2009/9/14
The purpose of this study was to evaluate the effects of four different ratios of silanized mica filler and milled glass fiber on the surface hardness of an acrylic denture tooth material. Acrylic res...
Effect of Inhomogeneity of Light from Light Curing Units on the Surface Hardness of Composite Resin
Light curing unit Light intensity Knoop hardness number
2009/9/11
This study investigated the characteristics of output light from different types of light curing units, and their effects on polymerization of light-activated composite resin. Three quartz-tungsten-ha...
Effects of different solutions on the surface hardness of composite resin materials
Composite resins Surface hardness Solution
2009/9/11
In this study, the surface hardness of five light-cured composite resins were evaluated, namely: filled (Estelite), nanofil (Ælite), unfilled (Valux Plus), hybrid (Tetric ceram), and Ormocer-bas...
An investigation into the effects of polishing on surface hardness and corrosion of orthodontic archwires
Orthodontic alloys Polishing Corrosion
2009/1/7
The purpose of this study was to investigate the effect of surface roughness on the relative corrosion rates of wires of four alloys—stainless steel, nickel titanium, cobalt chromium, and beta tit...
Accelerated Aging Effects on Surface Hardness and Roughness of Lingual Retainer Adhesives
Orthodontic adhesives Orthodontic retainer Aging Surface hardness Surface roughness
2008/10/29
Objective: To test the null hypothesis that accelerated aging has no effect on the surface microhardness and roughness of two light-cured lingual retainer adhesives.Materials and Methods: Ten samples ...