Draenert, F. G. and Doeblinger, M. and Draenert, M. and Gosau, M. (2009) High-density polyethylene facial implants show surface oxidation in SEM and EDX examination: A pilot study. ACTA BIOMATERIALIA, 5 (4). pp. 1158-1162. ISSN 1742-7061,
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Previous histopathological studies on explanted Medpor high-density polyethylene (HDPE) facial implants indicated signs of material destruction and claimed to observe phagocytized HDPE particles within the tissue samples beside the usual type IV reaction with severe fibrosis. We examined new and explanted Medpor material with scanning electron microscopy (SEM) and energy-dispersive X-ray analysis (EDX). The implant surface of three patient-derived specimens showed significantly higher oxygenation in EDX analysis and morphological changes in SEM compared to the new unused material directly after opening of the package and after I year of exposure to air. Our preliminary findings indicate a possible oxidative biocorrosion in HDPE surgical implants. Further studies should confirm these pilot project results. (C) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | IN-VITRO; BIODEGRADATION; WEAR; BEHAVIOR; Polyethylene; Biocorrosion; Implant; Oxidation |
| Subjects: | 600 Technology > 610 Medical sciences Medicine |
| Divisions: | Medicine > Lehrstuhl für Mund-, Kiefer- und Gesichtschirurgie |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 15 Sep 2020 12:01 |
| Last Modified: | 15 Sep 2020 12:01 |
| URI: | https://pred.uni-regensburg.de/id/eprint/28987 |
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