| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Blunn, Gw
University of Portsmouth
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2023Accelerated Degradation of Poly-ε-caprolactone Composite Scaffolds for Large Bone Defectscitations
- 2022Design and in vivo testing of novel single-stage tendon graft using polyurethane nanocomposite polymer for tendon reconstructioncitations
- 2018Novel adaptive finite element algorithms to predict bone ingrowth in additive manufactured porous implantscitations
- 2018Novel adaptive finite element algorithms to predict bone ingrowth in additive manufactured porous implants.
- 2017Clinical cold welding of the modular total hip arthroplasty prosthesiscitations
- 2017Intrinsic osteoinductivity of porous titanium scaffold for bone tissue engineeringcitations
- 2017Fretting corrosion behavior of nitinol spinal rods in conjunction with titanium pedicle screwscitations
- 2016Corrosion at the head-neck interface of current designs of modular femoral componentscitations
- 2016Metal concentrations in the blood and tissues after implantation of titanium growth guidance sliding instrumentationcitations
- 2016Nanohydroxyapatite effect on the degradation, osteoconduction and mechanical properties of polymeric bone tissue engineered scaffoldscitations
- 2015The effect of frictional torque and bending moment on corrosion at the taper interfacecitations
- 2015Lessons from retrievalscitations
- 2015Analysis of retrieved growth guidance sliding LSZ-4D devices for early onset scoliosis and investigation of the use of nitinol rods for this systemcitations
- 2015Silicate-substituted calcium phosphate with enhanced strut porosity stimulates osteogenic differentiation of human mesenchymal stem cellscitations
- 2014Low dose of propranolol does not affect rat osteotomy healing and callus strengthcitations
- 2013Enhanced wear and corrosion in modular tapers in total hip replacement is associated with the contact area and surface topographycitations
- 2011Enhancing the soft tissue seal around intraosseous transcutaneous amputation prostheses using silanized fibronectin titanium alloycitations
- 2008Composite ceramic bone graft substitute in the treatment of locally aggressive benign bone tumours.citations
- 2006Porous Ti-6Al-4V bone replacement materials produced by Selective Laser Sintering (SLS)
- 2004The effect of diamond like carbon and hydroxyapatite coatings on soft tissue reactions to external fixation screws under load
- 2000Fractographic examination of racing greyhound central (navicular) tarsal bone failure surfaces using scanning electron microscopy
Places of action
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article
Enhanced wear and corrosion in modular tapers in total hip replacement is associated with the contact area and surface topography
Abstract
<p>Widespread concern exists about adverse tissue reactions after metal-on-metal (MoM) total hip replacement (THR). Concerns have also been expressed with wear and corrosion of taper junctions in THR. We report the effect of surface finish and contact area associated with a single combination of materials of modular tapers. In an in vitro test, we investigated the head/neck (CoCrMo/Ti) interface of modular THRs using commercially available heads. Wear and corrosion of taper surfaces was compared following a 10 million loading cycle. Surface parameters and profiles were measured before and after testing. Electrochemical static and dynamic corrosion tests were performed under loaded and non-loaded conditions. After the load test, the surface roughness parameters on the head taper were significantly increased where the head/neck contact area was reduced. Similarly, the surface roughness parameters on the head taper were significantly increased where rough neck tapers were used. Corrosion testing showed breaching of the passive film on the rough but not the smooth neck tapers. Thus, surface area and surface finish are important factors in wear and corrosion at modular interfaces.</p>