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The in vitro bioactivity of two novel hydrophilic, partially degradable bone cements

Paper ID Volume ID Publish Year Pages File Format Full-Text
2397 110 2007 8 PDF Available
Title
The in vitro bioactivity of two novel hydrophilic, partially degradable bone cements
Abstract

Composite bone cements were prepared with bioactive glasses (MgO–SiO2–3CaO · P2O5) of different reactivities. The matrix of these so-called hydrophilic, partially degradable and bioactive cements was composed of a starch/cellulose acetate blend and poly(2-hydroxyethyl methacrylate). The addition of 30 wt.% of glasses to this system made them bioactive in acellular medium: a dense apatite layer formed on the surface after 7 days of immersion in simulated body fluid. This was demonstrated both by microscopic and infrared spectroscopic techniques. The composition of the glass and, consequently, its structure was found to have important effects on the rate of the apatite formation. The combination of reactivity obtained by one formulation with the hydrophilic and degradable character of these cements makes them a very promising alternative to conventional acrylic bone cements, by allowing a better stabilization of the implant and a stronger adhesion to the bone.

Keywords
Acellular bioactivity; Bioactive glasses; Acrylic cements; Degradable polymer; Hydrophilic
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The in vitro bioactivity of two novel hydrophilic, partially degradable bone cements
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Publisher
Database: Elsevier - ScienceDirect
Journal: Acta Biomaterialia - Volume 3, Issue 2, March 2007, Pages 175–182
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Any Questions? feel free to contact us