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Large-diameter heads (LDHs) in total hip arthroplasty (THA) enhance range of motion but require thinner liners. Monoblock acetabular components with ceramic liners could reduce liner fracture risks during modular acetabular component assembly. This study aims to confirm the safety and clinical performance of the monoblock Maxera Cup in THA.

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In functionally aligned total knee arthroplasty, femoral component rotation follows the transepicondylar axis to achieve flexion balance.

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Purpose: In functionally aligned (FA) total knee arthroplasty (TKA), femoral component rotation (FCR) is personalised to optimise flexion gap balance. As axial malalignment has been attributed to patellofemoral complications, this study assessed FA FCR in relation to the surgical transepicondylar axis (TEA) and early implant survivorship.

Methods: We analysed 446 robotic-assisted primary TKAs in 393 patients using FA with preresection gap balancing.

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