Surface modification of implants in long bone

Coatings of orthopedic implants are investigated to improve the osteoinductive and osteoconductive properties of the implant surfaces and thus to enhance periimplant bone formation. By applying coatings that mimic the extracellular matrix a favorable environment for osteoblasts, osteoclasts and thei...

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Veröffentlicht in:Biomatter (Austin, TX) TX), 2012-07, Vol.2 (3), p.149-157
Hauptverfasser: Förster, Yvonne, Rentsch, Claudia, Schneiders, Wolfgang, Bernhardt, Ricardo, Simon, Jan C., Worch, Hartmut, Rammelt, Stefan
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container_end_page 157
container_issue 3
container_start_page 149
container_title Biomatter (Austin, TX)
container_volume 2
creator Förster, Yvonne
Rentsch, Claudia
Schneiders, Wolfgang
Bernhardt, Ricardo
Simon, Jan C.
Worch, Hartmut
Rammelt, Stefan
description Coatings of orthopedic implants are investigated to improve the osteoinductive and osteoconductive properties of the implant surfaces and thus to enhance periimplant bone formation. By applying coatings that mimic the extracellular matrix a favorable environment for osteoblasts, osteoclasts and their progenitor cells is provided to promote early and strong fixation of implants. It is known that the early bone ongrowth increases primary implant fixation and reduces the risk of implant failure. This review presents an overview of coating titanium and hydroxyapatite implants with components of the extracellular matrix like collagen type I, chondroitin sulfate and RGD peptide in different small and large animal models. The influence of these components on cells, the inflammation process, new bone formation and bone/implant contact is summarized.
doi_str_mv 10.4161/biom.21563
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subjects Animals
Binding
Biology
Bioscience
Bone and Bones - pathology
bone healing
Bone Substitutes
Calcium
Cancer
Cell
Cell Differentiation
Cell Proliferation
chondroitin sulfate
Chondroitin Sulfates - chemistry
Coated Materials, Biocompatible - chemistry
Collagen - chemistry
collagen type I
Cycle
Cytokines - metabolism
Durapatite - chemistry
Extracellular Matrix - metabolism
Femur - pathology
Humans
hyaluronic acid
hydroxyapatite
implants
Implants, Experimental
Landes
Oligopeptides - chemistry
Organogenesis
Osseointegration
Osteoblasts - cytology
Osteoclasts - cytology
Prostheses and Implants
Proteins
Rats
RGD peptide
Special Focus Review
Tibia - pathology
titanium
Titanium - chemistry
title Surface modification of implants in long bone
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