Fig. 3From: Total hip arthroplasty using a three-dimensional porous titanium acetabular cup: an examination of micromotion using subject-specific finite element analysisRadiograph images in which radiolucent lines did not appear and where they did appear. A1, B1: There is no initial gap on the anteroposterior radiograph immediately after surgery. A2: There is no radiolucent line around the cup 2 years after surgery. B2: Two years after the operation, radiolucent lines are observed in DeLee and Charnley Zone 3 (red arrows)Back to article page