Attempts were made to prepare magnesium-containing calcium phosphate cements. These were successful at the composition CaMg2(PO4)2xH2O. X-ray diffraction showed that such a compound is not formed but that the cement consists of magnesium phosphate precipitated on the calcium phosphate admixture. The pH of this formulation is around 10 during setting and after. The cement is injectable. Its setting time is about 10 min. In this study compressive strength values were as high as 11 MPa and the diametral tensile strength was over 2 MPa. Animal experiments must show whether it is suitable for replacement or augmentation of bone in non-load bearing situations.
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Ginebra, M.P., Boltong, M.G., Driessens, F.C.M. et al. Preparation and properties of some magnesium-containing calcium phosphate cements. J Mater Sci: Mater Med 5, 103–107 (1994). https://doi.org/10.1007/BF00121698
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DOI: https://doi.org/10.1007/BF00121698