Fabrication of Tailored Hydroxyapatite Scaffolds: Comparison between a Direct and an Indirect Rapid Prototyping Technique

Ulrike Deisinger; Sabine Hamisch; Matthias Schumacher; Franzika Uhl; Rainer Detsch; Günter Ziegler

doi:10.4028/www.scientific.net/KEM.361-363.915

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Fabrication of Tailored Hydroxyapatite Scaffolds: Comparison between a Direct and an Indirect Rapid Prototyping Technique
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HomeKey Engineering MaterialsKey Engineering Materials Vols. 361-363Fabrication of Tailored Hydroxyapatite Scaffolds:...

Fabrication of Tailored Hydroxyapatite Scaffolds: Comparison between a Direct and an Indirect Rapid Prototyping Technique

Abstract:

In the last few years new fabrication methods, called rapid prototyping (RP) techniques, have been developed for the fabrication of hydroxyapatite scaffolds for bone substitutes or tissue engineering applications. With this generative fabrication technology an individual tailoring of the scaffold characteristics can be realised. In this work two RP techniques, a direct (dispense-plotting) and an indirect one (negative mould technique), are described by means of fabricating hydroxyapatite (HA) scaffolds for bone substitutes or bone tissue engineering. The produced scaffolds were characterised, mainly regarding their pore and strut characteristics. By these data the performance of the two fabrication techniques was compared. Dispense-plotting turned out to be the faster technique while the negative mould method was better suited for the fabrication of exact pore and strut geometries.

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Periodical:

Key Engineering Materials (Volumes 361-363)

Pages:

915-918

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.361-363.915

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Online since:

November 2007

Authors:

Ulrike Deisinger, Sabine Hamisch, Matthias Schumacher, Franzika Uhl, Rainer Detsch, Günter Ziegler

Keywords:

Bone Substitute, Calcium Phosphate Ceramic, Rapid Prototyping (RP), Scaffold

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