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Mechanical Enhancement for Longevity of Glass Ionomer Cement Using Cellulose Nanocrystals: A Study on Microhardness and Wear Resistance. [PDF]
Int J DentManjunath K +3 more
europepmc +1 more source
Effect of Alcoholic Beverages on Surface Roughness and Microhardness of Dental Composites
Dental Materials Journal, 2016 The aim of this study was to evaluate the microhardness and surface roughness of composite resins immersed in alcoholic beverages. Three composite resins were used: Durafill (Heraeus Kulzer), Z250 (3M-ESPE) and Z350 XT (3M-ESPE). The inital surface roughness and microhardness were measured.
Rafael P Vitti +2 more
exaly +5 more sources
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Effect of Surface Penetrating Sealant on Surface Texture and Microhardness of Composite Resins
Journal of Biomedical Materials Research Part B, 2000The application of Fortify (Bisco, Lombard, IL), an unfilled resin, to the surface of composite resin restorations is intended to fill in defects in the surface that persist despite polishing, improve marginal integrity, and increase these materials' resistance to abrasion.
Marie-France Bertrand
exaly +3 more sources
Effect of Varnishes on Surface Microhardness of Basing Materials
Journal of Esthetic and Restorative Dentistry, 1991This study investigated the surface microhardness of five basing materials with four varnishes applied to them. Ten Plexiglass molds with 7‐mm diameter holes were prepared. Basing materials of Cavitec, Life, Ketac Bond, TimeLine, and Cavalite were placed in the molds to produce 20 samples each.
Y K, Yang, K C, Chan
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Determination of Vickers microhardness on porous silicon surfaces
Thin Solid Films, 2008The Vickers microhardness values of two different sets of porous silicon layers were determined at applied load of 98 mN. The sets consisted of Boron-doped substrates anodized at diverse current densities for two different amounts of hydrofluoric acid (HF) in the etching solution.
M. Morales-Masis, A. Ramírez-Porras
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Surface Microhardness and Flexural Strength of Colored Zirconia
Advanced Materials Research, 2010The surface microhardness and flexural strength of colored zirconia were examined. Two groups of zirconia disks (1mm thick, 20mm in diameter) within 5 disks each were shading with the same coloring liquids IL2 (Vita Classic-scale) when another group of 5 disks measured in no color.
Qi Liu +3 more
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Effect of Gutta-Percha Solvents on Surface Microhardness of IRM Fillings
Journal of Endodontics, 2000Eighty identical samples of IRM were prepared and embedded in acrylic resin. The samples were polished, rinsed, and divided into experimental groups and controls, 10 specimens each. Each experimental group was treated for 1 or 5 min with one of the following gutta-percha solvents: chloroform, xylene, or halothane.
J, Moshonov +4 more
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Surface microhardness of enamel after different home bleaching procedures
Dental Materials, 2007The purpose of this study was to evaluate the influence of different home bleaching procedures on surface microhardness of human enamel.Among eight groups 192 incisors were distributed. The facial surface of each incisor was polished and baseline hardness of enamel (m0; Knoop) was assessed with a load of 1N for 30s. Subsequently, the enamel was treated
Catharina, Zantner +3 more
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Investigations on surface roughness and microhardness of turned AM alloy
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2020Manufacturers in different sectors look for materials exhibiting good mechanical properties, high machinability, and superior surface integrity. The machinability of Mg alloys is one of the vital aspects which requires an exhaustive survey during their selection for different applications.
Sunil Dutta, NSK Reddy
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