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Tetracalcium phosphate: Synthesis, properties and biomedical applications

Paper ID Volume ID Publish Year Pages File Format Full-Text
1170 78 2010 9 PDF Available
Title
Tetracalcium phosphate: Synthesis, properties and biomedical applications
Abstract

Monoclinic tetracalcium phosphate (TTCP, Ca4(PO4)2O), also known by the mineral name hilgenstockite, is formed in the (CaO–P2O5) system at temperatures >1300 °C. TTCP is the only calcium phosphate with a Ca/P ratio greater than hydroxyapatite (HA). It appears as a by-product in plasma-sprayed HA coatings and shows moderate reactivity and concurrent solubility when combined with acidic calcium phosphates such as dicalcium phosphate anhydrous (DCPA, monetite) or dicalcium phosphate dihydrate (DCPD, brushite). Therefore it is widely used in self-setting calcium phosphate bone cements, which form HA under physiological conditions. This paper aims to review the synthesis and properties of TTCP in biomaterials applications such as cements, sintered ceramics and coatings on implant metals.

Keywords
Biocompatibility; Tetracalcium phosphate; Calcium phosphate cements; Plasma-sprayed coatings; Solubility
First Page Preview
Tetracalcium phosphate: Synthesis, properties and biomedical applications
Publisher
Database: Elsevier - ScienceDirect
Journal: Acta Biomaterialia - Volume 6, Issue 10, October 2010, Pages 3815–3823
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering