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Controlling the Reactivity of Calcium Phosphate Cements

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Abstract:

The effect of composition on the reactivity of a calcium phosphate cement (CPC) made of tricalcium phosphate (TCP) – water mixtures was investigated by isothermal calorimetry at 37°C. The parameters of interest were the mean particle size of the powder, the use of small amounts of nanosized hydroxyapatite powder, and the phosphate concentration and the pH of the aqueous solution. The results could be well explained by theoretical considerations. The main parameter controlling CPC reactivity was TCP particle size.

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Periodical:

Key Engineering Materials (Volumes 361-363)

Pages:

295-298

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.361-363.295

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Online since:

November 2007

Authors:

Marc Bohner, Tobias J. Brunner, Wendelin J. Stark

Keywords:

Calcium Phosphate, Cement, Kinetic, Nano-Size, Particle Size, Reaction, Tricalcium Phosphate

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© 2008 Trans Tech Publications Ltd. All Rights Reserved

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