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High-Strength Apatitic Cement by Modification with α-Hydroxy Acid Salts



High-strength hydroxyapatite orthopaedic cements have been prepared by the addition of sodium citrate to the liquid phase, which liquified the mixture enabling high-density, low-temperature ceramics to be fabricated (see Figure, a fracture surface). Wet compressive strengths well within the range for cortical bone were measured. Following compaction at low pressures the cements were still moldable.

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