Finite element analysis of Scarf osteotomy for precise treatment of hallux valgus.

As the distal end of the bone fragment was pushed outwards farther and farther, the stress on the sole showed a decreasing trend first and then began to increase (the minimum stress was 0.14375 MPa, observed at 6 mm), presenting a V-shaped distribution pattern. 3.2.3 Stress on the screws The maximum Von Mises stress on the screws had the smallest value (40.995 MPa) when the distal end of the bone fragment was pushed outwards

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