Table 3.

The mean displacement of the weight-bearing areas of the femoral head three-dimensional finite element models (−mm)

Treatment	Osteonecrosis range
	60°	90°	120°
Simple core decompression	0.27	0.30	0.34
Silk protein rod implantation	0.23	0.24	0.25
Fibula implantation	0.21	0.23	0.24
Tantalum rod implantation	0.19	0.20	0.22