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A new method to produce macropores in calcium phosphate cements

Paper ID Volume ID Publish Year Pages File Format Full-Text
13309 849 2002 8 PDF Available
Title
A new method to produce macropores in calcium phosphate cements
Abstract

A new way to create macropores in calcium phosphate cements has been developed. The method consists in adding NaHCO3 to the starting cement powder (Biocement D) and using two different liquids: first a basic liquid to form the paste and later an acid liquid to obtain CO2 bubbles. Mercury intrusion measurements showed a dramatic increase both in macropores with an average size of 100 μm and in the total porosity (even higher than 50% with respect to the Biocement D). This method does not change in any significant way the final reaction products of the starting material after being soaked 3 days in Ringer solution. Only, due to the increase of the porosity, the compressive strength of the porous cement decreases significantly.

Keywords
Porosity; Calcium phosphate cement; Resorbable bone substitute; Tricalcium phosphate
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A new method to produce macropores in calcium phosphate cements
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 23, Issue 17, September 2002, Pages 3673–3680
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
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us