Composition, morphology and crystallinity biomaterials based on calcium phosphate for implant bone regeneration

Abstract

Background : The alveolar bone and surrounding soft tissues must present volume and ideal qualities in order to receive implants. When these characteristics are lacking, biomaterials based on Ca and PO4 composition are regularly used to obtain adequate bone volume and height. The inorganic phase of bones and teeth is characterized by a dominant concentration of calcium phosphate. This has led researchers to develop biomaterials with similar chemical composition and characteristics.Aim/Hypothesis : The present study analyzed the chemical composition, morphological aspect and crystallinity of four biomaterials, Bio-Oss, Cerasorb, BoneCeramic and Osteogen.Materials and Methods : The analyses applied were instrumental neutron activation (NAA), energy dispersive X-ray (DX), elemental analysis (EA), X-ray diffraction (XRD), thermogravimetric (TGA), scanning electron microscopy (SEM) and energy dispersive spectroscopy (SEM EDS).Results : The chemical analyses were effective and detected differences in the elemental composition between the studied biomaterials. The most highly concentrated elements in the biomaterials based on calcium phosphate were Ca and P. Other elements (Al,