Abstract
There are numerous methods for producing scaffolds to be applied in bone tissue engineering. However, the best method of scaffold production is essential to consider, with respect to their chemical composition and mechanical and structural properties, so that debris is not produced when the scaffolds are evaluated in vitro or in vivo.The primary aim of the present investigation was to produce six novel β-TCP scaffold compositions, using sodium chloride as a porogen, with two different particle sizes, measuring 1–2 mm and 750 mm-1mm, and at varied concentrations (30, 50, and 70 wt %). Physical, chemical, mechanical, and in vitro characterizations were then performed on each scaffold composition, using artificial saliva, for 7 and 14 days, with promising results. The XRD diffractograms showed the formation of two new crystalline phases (NaCaPO4 and Ca5[PO4]3Cl) in the scaffolds, after their production. In addition, scaffold porosity, Young's modulus, and the maximum resistance of compression values were in the trabecular bone range and the in vitro test, using artificial saliva, was favorable in relation to scaffold bioactivity.
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