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  4. Manufacturing of biocompatible ceramic bone substitutes by 3D-printing
 
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2006
Journal Article
Titel

Manufacturing of biocompatible ceramic bone substitutes by 3D-printing

Abstract
The suitability of a newly developed powder-binder system using a tetracalcium phosphate / beta-tricalcium phosphate powder mixture and an aqueous citric acid binder solution for three-dimensional printing was studied. Various printed devices with intersecting channels and filigree structures are available with this material combination. Two post-processing methods, a sintering and a polymer infiltration process, were established to substantially improve the mechanical properties of printed devices. Preliminary investigations on relevant application properties including sterilizability and in vitro cytocompatibility testing demonstrate the potential of the new powder-binder system to fabricate patient specific bone substitutes and implant materials.
Author(s)
Khalayfa, Alaadien
Beckmann-Institut für Technologieentwicklung e.V.
Meyer, Wolfgang
Beckmann-Institut für Technologieentwicklung e.V.
Schnabelrauch, Matthias
Innovent e.V.
Vogt, Sebastian
Innovent e.V.
Richter, Hans-Jürgen
Fraunhofer-Institut für Keramische Technologien und Systeme IKTS
Zeitschrift
Ceramic forum international : CFI. Berichte der Deutschen Keramischen Gesellschaft
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Language
English
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Fraunhofer-Institut für Keramische Technologien und Systeme IKTS
Tags
  • Three-dimensional printing

  • Rapid Prototyping

  • calcium phosphate

  • ceramic

  • bone repair

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