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Matena, Julia [Author]; Petersen, Svea [Author]; Gieseke, Matthias [Author]; Teske, Michael [Author]; Beyerbach, Martin [Author]; Kampmann, Andreas [Author]; Escobar, Hugo Murua [Author]; Gellrich, Nils-Claudius [Author]; Haferkamp, Heinz [Author]; Nolte, Ingo [Author]

Comparison of Selective Laser Melted Titanium and Magnesium Implants Coated with PCL - [published Version]

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  • Media type: Text; E-Article
  • Title: Comparison of Selective Laser Melted Titanium and Magnesium Implants Coated with PCL
  • Contributor: Matena, Julia [Author]; Petersen, Svea [Author]; Gieseke, Matthias [Author]; Teske, Michael [Author]; Beyerbach, Martin [Author]; Kampmann, Andreas [Author]; Escobar, Hugo Murua [Author]; Gellrich, Nils-Claudius [Author]; Haferkamp, Heinz [Author]; Nolte, Ingo [Author]
  • imprint: Basel : MDPI AG, 2015
  • Published in: International Journal of Molecular Sciences 16 (2015), Nr. 6
  • Issue: published Version
  • Language: English
  • DOI: https://doi.org/10.15488/1611; https://doi.org/10.3390/ijms160613287
  • ISSN: 1422-0067
  • Keywords: mg alloys ; scaffolds ; corrosion ; biocompatibility ; donor site ; in-vitro ; bone regeneration ; biodegradation ; neovascularization ; degradation
  • Origination:
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  • Description: Degradable implant material for bone remodeling that corresponds to the physiological stability of bone has still not been developed. Promising degradable materials with good mechanical properties are magnesium and magnesium alloys. However, excessive gas production due to corrosion can lower the biocompatibility. In the present study we used the polymer coating polycaprolactone (PCL), intended to lower the corrosion rate of magnesium. Additionally, improvement of implant geometry can increase bone remodeling. Porous structures are known to support vessel ingrowth and thus increase osseointegration. With the selective laser melting (SLM) process, defined open porous structures can be created. Recently, highly reactive magnesium has also been processed by SLM. We performed studies with a flat magnesium layer and with porous magnesium implants coated with polymers. The SLM produced magnesium was compared with the titanium alloy TiAl6V4, as titanium is already established for the SLM-process. For testing the biocompatibility, we used primary murine osteoblasts. Results showed a reduced corrosion rate and good biocompatibility of the SLM produced magnesium with PCL coating. ; DFG/299/11-1
  • Access State: Open Access
  • Rights information: Attribution (CC BY)