نتایج جستجو برای: tzp ceramic
تعداد نتایج: 23716 فیلتر نتایج به سال:
Conventional ceria-stabilized tetragonal zirconia (Ce-TZP) with modest flexural strength has rarely been used as compared to yttria-stabilized zirconia, even though it excellent hydrothermal stability and high toughness. Ce-TZP-based composites were recently developed, being tough remarkably in combination transformation-induced plasticity. However, distinct from the widely applied composite ap...
Methods We reviewed data from critically ill cirrhotic patients and matched controls in whom routine therapeutic drug monitoring (TDM) of broad-spectrum b-lactam antibiotics (ceftazidime or cefepime, CEF; piperacillin/tazobactam; TZP; meropenem, MEM) was performed. Serum drug concentrations were measured twice during the elimination phase by high-performance liquid chromatography (HPLC-UV). Ant...
INTRODUCTION Sepsis is responsible for important alterations in the pharmacokinetics of antibiotics. Continuous renal replacement therapy (CRRT), which is commonly used in septic patients, may further contribute to pharmacokinetic changes. Current recommendations for antibiotic doses during CRRT combine data obtained from heterogeneous patient populations in which different CRRT devices and tec...
Degradation of yttria-stabilized zirconia dental implants abutments due to the tetragonal to monoclinic phase transformation was studied in detail by microstructural characterization using Electron Back Scatter Diffraction (EBSD). The amount and distribution of the monoclinic phase, the grain-size distribution and crystallographic orientations between tetragonal and monoclinic crystals in 3 mol...
OBJECTIVES The occurrence of "chipping" of all-ceramic restorations with Y-TZP frameworks has resulted in various designs and cooling procedures recommended for reducing such behavior. In this paper the temperature gradients during fast and slow cooling for conventional and anatomical designs are compared as well as an optical procedure to directly compare the influence of cooling rate on resid...
Ceria-terbia solid solution nanobelts were prepared by an electrochemical route and tested as catalysts of high activity for CO oxidation.
Purpose:Mechanical and surface characteristics of the zirconia dental ceramics may be adversely impacted by temperature changes during veneering firing cycles. A potential synergistic failure could caused ageing when exposed to oral environment heat treatment. The current research aimed determine influence treatment in-vitro on mechanical properties roughness cold isostatic pressed zirconia. Ma...
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