PMID: 15332602Aug 31, 2004Paper

Influence of octacalcium phosphate coating on osteoinductive properties of biomaterials

Journal of Materials Science. Materials in Medicine
P HabibovicG Meijer

Abstract

In this study, we investigated the influence of octacalcium phosphate (OCP) coating on osteoinductive behaviour of the biomaterials. Porous titanium alloy (Ti6Al4V), hydroxyapatite (HA), biphasic calcium phosphate (BCP) and polyethylene glyco terephtalate/polybuthylene terephtalate (PEGT-PBT) copolymer, all uncoated and coated with biomimetically produced OCP, were implanted in back muscles of 10 goats for 6 and 12 weeks. Uncoated Ti6Al4Vand HA did not show any bone formation after intramuscular implantation. All OCP coated implants, except PEGT-PBT, did induce bone in the soft tissue. The reason for the non-inductive behaviour of the copolymer is probably its softness, that makes it impossible to maintain its porous shape after implantation. Both uncoated and OCP coated BCP induced bone. However, the amount of animals in which the bone was induced was higher in the coated BCP implants in comparison to the uncoated ones. Osteoinductive potential of biomaterials is influenced by various material characteristics, such as chemical composition, crystallinity, macro- and microstructure. OCP coating has a positive effect on osteoinductivity of the biomaterials. The combination of the advantages of biomimetic coating method above trad...Continue Reading

Citations

Oct 24, 2009·Journal of Materials Science. Materials in Medicine·Naru ShiraishiOsamu Suzuki
Mar 23, 2011·Journal of Materials Science. Materials in Medicine·Jun FeiHong-jun Yu
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