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(a) Compression test model for nonporous titanium (NPTi), porous titanium (PTi) and porous tantalum (PTa) cages. (b) Compression test results for each cage, (n = 5). (c) Pullout test model for cages. (d) Pullout strength test results for NPTi, 60% PTi, 80% PTi, and PTa cages (n = 5). **** p < 0.0001.
