The effect of impaction and a bioceramic coating on bone ingrowth in porous titanium particles A bone chamber study in goats
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The effect of impaction and a bioceramic coating on bone ingrowth in porous titanium particles
BACKGROUND AND PURPOSE Porous titanium (Ti) particles can be impacted like cancellous allograft bone particles, and may therefore be used as bone substitute in impaction grafting. We evaluated the effect of impaction and of a thin silicated biphasic calcium phosphate coating on osteoconduction by Ti particles. METHODS The bone conduction chamber of Aspenberg was used in goats and filled with ...
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Introduction: Bone impaction grafting (BIG) is a surgical technique for the restoration of bone stock loss in revision total hip arthroplasty (rTHA) by impaction of allograft bone particles (BoP) into the bony defect. BoP are considered to be the gold standard, although many alternative materials have been developed, most of them being ceramic based. Important properties of these synthetic mate...
متن کاملAssessment of bone ingrowth potential of biomimetic hydroxyapatite and brushite coated porous E-beam structures
The bone ingrowth potential of biomimetic hydroxyapatite and brushite coatings applied on porous E-beam structure was examined in goats and compared to a similar uncoated porous structure and a conventional titanium plasma spray coating. Specimens were implanted in the iliac crest of goats for a period of 3 (4 goats) or 15 weeks (8 goats). Mechanical implant fixation generated by bone ingrowth ...
متن کاملRinsing morselized allografts improves bone and tissue ingrowth.
Bone defects in revision hip surgery can be reconstructed with impacted morselized bone grafts. Rinsing these trabecular allografts may enhance graft incorporation by washing out immunogenic factors present in blood, marrow, and fat. However, it has been proposed that impaction of the graft releases biologically active factors, which can provide sufficient activity to stimulate new bone formati...
متن کاملPorous titanium particles for acetabular reconstruction in total hip replacement show extensive bony armoring after 15 weeks
BACKGROUND AND PURPOSE The bone impaction grafting technique restores bone defects in total hip replacement. Porous titanium particles (TiPs) are deformable, like bone particles, and offer better primary stability. We addressed the following questions in this animal study: are impacted TiPs osteoconductive under loaded conditions; do released micro-particles accelerate wear; and are systemic ti...
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تاریخ انتشار 2017