PMID: 15348055Sep 7, 2004Paper

Effect of several additives and their admixtures on the physico-chemical properties of a calcium phosphate cement

Journal of Materials Science. Materials in Medicine
M BohnerJ Lemaitre

Abstract

Combinations of citrate (C6H5O(7)3-), pyrophosphate (P2O(7)4-) and sulfate (SO(4)2-) ions were used to modify the physico-chemical properties of a calcium phosphate cement (CPC) composed of beta-tricalcium phosphate (beta-TCP) and phosphoric acid (PA) solution. The results obtained with only one additive at a time are similar to those previously published. New facts are: the positive effect of C6H5O(7)3- ions on cement failure strain and their negative effect on cement pH. The position of the setting time maximum measured at an SO(4)2- concentration of 0.09 M was not displaced by the addition of C6H5O(7)3- and P2O(7)4- ions. However, the effect of SO(4)2- ions on the setting time was depressed by C6H5O(7)3- ions. Moreover, no increase in tensile strength was observed when increasing amounts of SO(4)2- were added into a C6H5O(7)3--containing cement. The latter results suggest a competitive effect of C6H5O(7)3- and SO(4)2- on setting time and tensile strength. Anhydrous dicalcium phosphate (DCP; CaHPO4) appeared in cement samples dried just after setting, but not in cement samples incubated for 24 h in deionized water before the drying step. It is believed that the setting reaction is stopped by the drying step, leaving a low int...Continue Reading

Citations

Apr 28, 2007·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Faleh Tamimi MariñoEnrique López Cabarcos
Jul 16, 2011·International Journal of Biomaterials·Jonas AbergHåkan Engqvist
Dec 14, 2018·Materials·Michael Pujari-PalmerHakan Engqvist
Jun 21, 2013·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Erdem Şahin, Muhsin Çiftçioğlu
Jul 10, 2007·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·M Bohner, U Gbureck
Jan 1, 2013·Journal of Functional Biomaterials·Sergey V Dorozhkin
Aug 31, 2015·Materials·Zeeshan SheikhMichael Glogauer
May 1, 2010·Annals of Biomedical Engineering·Jennifer Z PaxtonLiam M Grover
Jul 13, 2002·Journal of Biomedical Materials Research·S SardaJ A Planell
Oct 26, 2005·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·A GisepN Suhm
Dec 16, 2020·ACS Biomaterials Science & Engineering·Rita GelliFrancesca Ridi

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