نتایج جستجو برای: zinc phosphate cements

تعداد نتایج: 180678  

2012
Cornelis H. Pameijer Per-Olof Glantz Anthony von Fraunhofer

The selection of an appropriate luting agent for final cementation of fixed restorations is no longer an easy decision. The numerous materials from which restorations can be fabricated demand a thorough knowledge of not only the material(s) they are made of but also knowledge of the properties of luting agents. No longer can zinc phosphate cement be used for all fixed restorations that need cem...

Journal: :journal of physical & theoretical chemistry 2011
m. giahi h. taghavi s. habibi habibi r. sariri

the photocatalytic degradation of betamethasone sodium phosphate was investigated in aqueoussuspensions of zinc oxide nanoparticular with diameter size 20 nm under a variety of conditions.different parameters such as irradiation time, the amount catalyst (0.12-0.8 g lh), initialconcentration of drug (10-50 mgljand initial ph values (ranging from 3 to ii) were investigatedin the presence of vari...

Journal: :Journal of biomaterials applications 2003
Willi Paul Chandra P Sharma

Different ceramic substances are offered in the market as bone substitute materials. These include monophasic calcium phosphate ceramics of tricalciumphosphate (TCP) or hydroxyapatite (HA), biphasic calcium phosphate ceramics and multiphasic bio-glasses synthetic calcium phosphate cements. Ceramics with appropriate three-dimensional geometry are able to bind and concentrate bone morphogenetic p...

2017
Anja Henß Martha Schamel Uwe Gbureck Michael Gelinsky Anja Lode

This article contains data of time of flight secondary ion mass spectrometry (TOF-SIMS) analysis of brushite-forming calcium phosphate cements doped with biologically active metal ions. This data are related to the research article "Cu2+, Co2+ and Cr3+ doping of a calcium phosphate cement influences materials properties and response of human mesenchymal stromal cells" (Schamel et al., 2017) [1]...

2010
Ariane Bercier Stéphane Gonçalves Olivier Lignon Juliette Fitremann

Addition of sugar surfactants, sucrose fatty acid esters and alkylpolyglucosides, to calcium phosphate cement designed for bone reconstruction is described. Thanks to their surface activity and through their adsorption at the surface of the calcium phosphate particles, they both induced a strong increase in the porosity (quantified by Image Analysis) and brought a very good workability. Other p...

2015
Martha Geffers Jürgen Groll Uwe Gbureck

Calcium phosphate biocements based on calcium phosphate chemistry are well-established biomaterials for the repair of non-load bearing bone defects due to the brittle nature and low flexural strength of such cements. This article features reinforcement strategies of biocements based on various intrinsic or extrinsic material modifications to improve their strength and toughness. Altering partic...

2013
J Engstrand J Jacob H Engqvist

Optimization of an acidic calcium phosphate cement with enhanced radiopacity. INTRODUCTION: Calcium phosphate cements (CPCs) are commonly used in biomedical applications due to their resemblance to the mineral phase of bone. However, due to this resemblance the radiopacity of CPC is very similar to that of bone. The inorganic radiopacifiers (e.g. ZrO 2 and BaSO 4) commonly used in non degradabl...

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