Effect of Sclerosis Bands in Femoral Head Necrosis on Non-Vascularized Fibular Grafting-A Finite Element Study.

The results showed that as the volume of the defect increased, the equivalent stress on the cortical surface of the femur exhibited an increasing trend, with values of 2.82 MPa, 2.94 MPa, and 2.97 MPa, representing increases of 9.3%, 14.0%, and 15.1%, respectively, compared to the fibular implantation group C.

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The sclerosis band group showed a decreasing trend in the peak displacement compared to the necrosis group, with values of 1.5 × 10 −2 mm, 1.2 × 10 −2 mm, and 1.1 × 10 −2 mm, respectively, representing reductions of 28.6%, 42.9%, and 47.6% compared to the necrosis group (Figures 5A , 7A and Table 5 ).

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