![]() Number 675: Small regions of viable trabeculae sprouting out of the original TPs partially encasing spicules of residual implant material, most are nonviable bone surrounded by fibrosis. Numerous trabeculae of acellular bone present. There are no trabeculae of viable lamellar bone bridging TPs. ![]() Scattered multinucleated, giant cells and lymphocytes evenly spaced between TPs. Osteocel Plus, Number #613: Shows spaced spicules of residual implant material surrounded by moderate amounts of fibrosis. Number 913: Residual implant material midsection. Numbers 908 and 910: A thin track of braided material defined the border sites. Magnifuse: There was a rim of lamellar bone surrounding margins of the areas of interest, 65% new bone with broad, variably shaped trabeculae. This ''nonunion'' restricted motion sufficiently that, coupled with the left sided fusion, this rat was evaluated as fused by manual palpation. Number 059R: Mildly robust trabeculae are interrupted by a central fibrous tract bisecting the right implant site histologically not fused on the right but fused on the left. Grafton Putty: Histology shows 77% new bone, typically with an outer rim of lamellar bone with regular trabeculae, oriented relatively uniformly throughout.
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