Fig. 4From: Removal of cement-augmented screws in distal femoral fractures and the effect of retained screws and cement on total knee arthroplasty: a biomechanical investigationSpecimen preparation for pull-out testing. PMMA embedding of the femoral bone. Particular attention was paid on keeping the femoral component free of PMMA by using plasticine (top). Situation after plasticine removal (bottom)Back to article page