<p>Influence of head size and material on wear in THA.- Ceramic–ceramic articulation: Fracture and squeaking – is it really a concern? Cross-linked PE articulations: Do we need vitamin to improve longevity? How to treat failures related to articulation.- How to measure wear in THA.- Metal-on-metal articulation: do we really have to risk an unhappy patient? Implant survival of metal-on-metal hip resurfacing: a systematic review.- In-Vitro Wear Testing of Standard vs. Cross-Linked Polyethylene Liners in Combination with Different Ceramic Femoral Head.- Oxidation prevention with vitamin E in a cross-linked UHMWPE isoelastic monobloc pressfit cup - Preliminary results.- Use of Vitamin-E stabilised X-linked UHMWPE in THR.- Long-term reduction of wear and osteolysis with crosslinked PE? 13-years follow-up of a prospectively randomized comparison with conventional PE.- Total Hip Arthroplasty with a large diameter metal-on metal cup (Durom) and a standard stem -Short term results.- Metal ion levels after revision surgery for metallosis arising from large diameter metal-on-metal total hip arthroplasty or resurfacing arthroplasty.- Report the 18-year clinical outcome data in a homogenous and continuous series of 103 primary total hip replacements after implantation of a dual mobility cementless titanium cup.- Sqeaking incidence in hybrid alumina total hip arthroplasty.- Immunologic adverse reaction associated with low-carbide metal-on-metal bearings in total hip arthroplasty.- Long term stability of ceramic composite in THA.- ECIMA as a next generation, advanced bearing material.- Review of ceramic/ceramic bearings in hydroxyapatite coated hip implants. A clinical and radiological evaluation with up to 19 year follow-up.- Analysis of liner deformation and stress in total hip replacements considering implant material, position and head size.- Characterization of vitamin E blended UHMWPE for stress oxidation reduction in orthopaedic arthroplasty.- A prospective comparative study of survivorship and Harris Hip Scores after hip resurfacing and cemented total hip arthroplasty with up to 10 years follow-up.</p>