An investigation was undertaken to correlate mechanical strengths of various bone-porous material interfaces with the type and degree of osseous ingrowth. Intracortical cylinders of porous and nonporous metals, ceramics, polymers, and carbon were implanted into canine long bones and examined at 3,6, and 12 weeks. Reflected and transmitted light microscopy were used to study bone ingrowth. Electron microprobe analysis and tetracycline labelling were used to characterize the degree of mineralization of the ingr…
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