Carbonate Hydroxyapatite and Silicon-Substituted Carbonate Hydroxyapatite: Synthesis, Mechanical Properties, and Solubility Evaluations

<table>Density of samples after heat-treatment at different temperatures. <svg height="13.95" id="M103" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 66.324997 13.95" width="66.324997" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>, statistically different compared to CO<sub>3</sub>Ap and Si-CO<sub>3</sub>Ap heat-treated at 650°C, respectively; <svg height="11.125" id="M105" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 36.237499 11.125" width="36.237499" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>.</table>

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Figure 4

Figure 4: Carbonate Hydroxyapatite and Silicon-Substituted Carbonate Hydroxyapatite: Synthesis, Mechanical Properties, and Solubility Evaluations 