Characteristics of Bone Tissue and Composite Materials on the Basis of Natural Hydroxyapatite and Endodontic Cement for Replacement of the Tissue

New biocomposites and the cattle bone tissue were investigated. The composites were made from an endodontic cement (EC) and natural hydroxyapatite (NHAp.) The results of experiments performed by the method of infrared spectroscopy showed that protein was removed from the heat-treated specimens of bone tissue practically completely. The structure of bone tissue before and after deproteinization and the structure of the composite materials based on NHAp and ЕC (with different percentage) were investigated by the method of optical microscopy. The characteristics of mechanical properties (the initial elastic modulus, breaking tensile and compressive stresses, and breaking strain) and the density and porosity of these materials were determined. The new composite materials were implanted in the live tissue of rat. Biocompatibility between the live tissue and the new biocomposites was estimated.

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Correspondence to V. V. Filipenkov.

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Translated from Mekhanika Kompozitnykh Materialov, Vol. 53, No. 3, pp. 543-554 , May-June, 2017.

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Filipenkov, V.V., Rupeks, L.E., Vitins, V.M. et al. Characteristics of Bone Tissue and Composite Materials on the Basis of Natural Hydroxyapatite and Endodontic Cement for Replacement of the Tissue. Mech Compos Mater 53, 381–388 (2017).

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  • bone tissue
  • biocomposite
  • mechanical properties
  • natural hydroxyapatite
  • endodontic cement
  • biocompatibility