Effect of Carbonate on the Properties of Bone Cement Containing PCCP and DCPA

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A novel calcium phosphate cement (CPC) was prepared by mixing partially crystallized calcium phosphate (PCCP) containing carbonate and dicalcium phosphate anhydrous (DCPA) in this work. The effects of the carbonate content on the phase composition, strength, prosity, and degradation of the set bodies were studied. The results showed that the cement formed into hydroxyapatite (HAp) after setting, in which carbonate doped into the HAp crystal lattice. With the increase of the carbonate to phosphate ratio in PCCP, the compressive strength of the cement declined and the setting of the cement accelerated. Furthermore, the calcium phosphate cement formed a more porous structure with the increase of the carbonate to phosphate ratio in PCCP. The results also indicated that the degradation of CPC may be speeded up by introducing carbonate to the cement.

Info:

Periodical:

Key Engineering Materials (Volumes 368-372)

Edited by:

Wei Pan and Jianghong Gong

Pages:

1227-1230

DOI:

10.4028/www.scientific.net/KEM.368-372.1227

Citation:

J. D. Ye et al., "Effect of Carbonate on the Properties of Bone Cement Containing PCCP and DCPA", Key Engineering Materials, Vols. 368-372, pp. 1227-1230, 2008

Online since:

February 2008

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Price:

$35.00

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