نتایج جستجو برای: hydrofluoric acid
تعداد نتایج: 747472 فیلتر نتایج به سال:
introduction: recent use of lasers for porcelain surface treatment for adhesion of brackets to restorations has not only showed some promising results, but is also accompanied with less undesirable effects among other advantages. the purpose of this study is the comparative electron microscope evaluation of feldspathic porcelain surfaces under irradiation by neodymium-doped yttrium aluminium ga...
Aim: The aim of this study was to evaluate the micro shear bond strength of different ceramic systems IPS Empress 2, Cergogold, In-Ceram Alumina and Cercon and a dual luting agent. Methods: Twelve specimens of each ceramic were fabricated and divided according different surface treatments: Group 1: No additional treatment was applied to the ceramic surface; Group 2: Ceramics were etched with 9....
PURPOSE The purpose of this study was to evaluate and compare the effects of different surface pretreatment techniques on the surface roughness and shear bond strength of a new self-adhering flowable composite resin for use with lithium disilicate-reinforced CAD/CAM ceramic material. MATERIALS AND METHODS A total of one hundred thirty lithium disilicate CAD/CAM ceramic plates with dimensions ...
Yeast and hyphal walls of Candida albicans were extracted with sodium dodecyl sulfate (SDS). Some of the extracted proteins reacted with a specific beta-1,6-glucan antiserum but not with a beta-1,3-glucan antiserum. They lost their beta-1,6-glucan epitope after treatment with ice-cold aqueous hydrofluoric acid, suggesting that beta-1,6-glucan was linked to the protein through a phosphodiester b...
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