Bone Grafts and Substitutes Flashcards
what is an autograft?
bone transplant from same animal
what is gold standard bone graft?
autologous cortico-cancellous bone graft
what should you avoid when handling a bone graft?
saline
drying
what is osteopromotion?
ability of material to enhance bone regeneration
what is osteoconduction?
ability of material to provide a scaffold for host bone invasion
what are some indications for bone grafts?
delayed or nonunion fractures
arthrodesis
replacement of bone defects
what is an allograft?
bone transplant from one animal to another animal of the same species
what is osteogenesis?
ability of cells to survive transplantation and serve as source of osteoblasts
what is osteoinduction?
ability of material to induce the migration and differentiation of stem cells into osteoblasts via the presence of the TGF-beta superfamily
what does an autologous cortico-cancellous bone graft provide?
osteogenesis
osteoinduction
osteoconduction
osteopromotion
where are the main places that an autologous cancellous bone graft can be collected?
proximal humerus
wing of ilium
what does demineralized bone matrix provide?
osteoinductive
osteoconductive
