Multiple Damage of the Tibial Polyethylene Insert in Knee Joint Prosthesis (Can Excellent Postoperative Outcome Be the Cause of Fracture of the Tibial Insert?) Case Report and Literature Review
Abstract:Despite improvements in prosthesis technology and use of high-quality materials in recent years, the number of revisions related to implant failures (4.7%) remains high. Several phenomena were reported in literature as reasons for dislocation and fracture of tibial insert in mobile bearing prosthesis: incorrect positioning of components, discrepancy of extension and flexion balancing or ligament weakness. However, in our cases neither of these causes were observed. The authors consider that bio-physiological a… Show more
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