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Biomineralization of Glass Fibre Reinforced Porous Acrylic Bone Cement

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Abstract:

Acrylic bone cements are used to fix joint replacements to bone. The main substance in acrylic bone cement is biologically inert poly(methylmethacrylate), PMMA. The dense PMMA polymer structure of cement does not allow bone ingrowth into cement. Therefore, the main focus of our studies is to modify acrylic bone cement in order to improve its biological properties e.g., by creating porosity in the cement matrix. The porous structure is in situ created using pore-generating filler (i.e., 20 wt% of an experimental biodegradable polyamide) that is incorporated in acrylic bone cement. The aim of this in vitro study was to investigate the biomineralization of acrylic bone cement modified using an experimental biodegradable polyamide.

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Periodical:

Key Engineering Materials (Volumes 330-332)

Pages:

815-818

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.330-332.815

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Online since:

February 2007

Authors:

Mervi Puska, Ari-Pekka Forsback, Antti Yli-Urpo, Jukka Seppälä, Pekka K. Vallittu

Keywords:

Acrylic Bone Cement, Biomineralization, Fiber-Reinforced Composites, Porous Structure

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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References

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