Evaluation of a bioglass-coated Al2O3 total hip prosthesis in sheep.
A bioglass-coated fully dense alumina total hip was evaluated in sheep without using polymer bone "cement." After 3 months following surgery, both the acetabular cup and femoral stem component were firmly attached to bone. Histologic and radiographic analysis of the bone-implant interface showed regions of woven and even lamellar bone formation where high load transmission occurred. In regions of low loading or poor fit, a pseudosynovial fibrous lining was present.
D000077:Acetabulum / Q000033:anatomy & histology; D000535:Aluminum; D000818:Animals; D001672:Biocompatible Materials; D005069:Evaluation Studies as Topic; D005269:Femur / Q000033:anatomy & histology; D005898:Glass; D006615:Hip / Q000033:anatomy & histology*; D007595:Joint Prosthesis; D012756:Sheep; D013314:Stress, Mechanical
D001672:Biocompatible Materials; D000535:Aluminum