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  4. Metal foam - Bone cement composites: Mechanical and biological properties and perspectives for bone implant design
 
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2011
Journal Article
Title

Metal foam - Bone cement composites: Mechanical and biological properties and perspectives for bone implant design

Abstract
Several approaches for the development of highly porous metal structures with intended medical application have been published in recent years. Considering both the demands of sufficient mechanical strength for loaded bone implants as well as prevention of the stress shielding phenomena, open-cell metal foams are reinforced with strong but resorbable mineral bone cement. Titanium- and iron-based composites with highly prolonged stress resilence and favorable cytoxicity are achieved. Resorption of mineral phase gradually decreases the implant stability while concurrently raising the bone regeneration through mechanical stimulation. Furthermore, iron-based composites are intended to be resorbed and corrode consecutively. Thus, a temporary bone implant can be obtained.
Author(s)
Glorius, S.
Nies, B.
Farack, J.
Quadbeck, P.
Hauser, R.
Standke, G.
Rößler, S.
Scharnweber, D.
Stephani, G.
Journal
Advanced engineering materials  
DOI
10.1002/adem.201100026
Language
English
Fraunhofer-Institut für Fertigungstechnik und Angewandte Materialforschung IFAM  
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