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Bone regeneration

About: Bone regeneration is a research topic. Over the lifetime, 22170 publications have been published within this topic receiving 715117 citations.


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Journal ArticleDOI
TL;DR: New fabrication techniques, such as solid-free form fabrication, can potentially be used to generate scaffolds with morphological and mechanical properties more selectively designed to meet the specificity of bone-repair needs.

5,470 citations

Journal ArticleDOI
12 Nov 1965-Science
TL;DR: Differentiation of the osteoprogenitor cell is elicited by local alterations in cell metabolic cycles that are as yet uncharacterized and may transfer collagenolytic activity to the substrate to cause dissolution of the matrix.
Abstract: Wandering histiocytes, foreign body giant cells, and inflammatory connective-tissue cells are stimulated by degradation products of dead matrix to grow in and repopulate the area of an implant of decalcified bone. Histiocytes are more numerous than any other cell form and may transfer collagenolytic activity to the substrate to cause dissolution of the matrix. The process is followed immediately by new-bone formation by autoinduction in which both the inductor cells and the induced cells are derived from ingrowing cells of the host bed. The inductor cell is a descendant of a wandering histiocyte; the induced cell is a fixed histiocyte or perivascular young connective-tissue cell. Differentiation of the osteoprogenitor cell is elicited by local alterations in cell metabolic cycles that are as yet uncharacterized.

5,083 citations

Journal ArticleDOI
08 Feb 2002-Science
TL;DR: The next generation of biomaterials is combining these two properties, with the aim of developing materials that, once implanted, will help the body heal itself.
Abstract: Whereas second-generation biomaterials were designed to be either resorbable or bioactive, the next generation of biomaterials is combining these two properties, with the aim of developing materials that, once implanted, will help the body heal itself.

2,421 citations

Journal ArticleDOI
TL;DR: In this paper, the European Foundation for Osteoporosis and Bone disease (subsequently the International osteopo- rosis Foundation) published guidelines for the diagnosis and management of osteoporrosis in a European setting.
Abstract: Summary Guidance is provided in a European setting on the assessment and treatment of postmenopausal women with or at risk from osteoporosis. Introduction The European Foundation for Osteoporosis and Bone disease (subsequently the International Osteopo- rosis Foundation) published guidelines for the diagnosis and management of osteoporosis in 1997. This manuscript updates these in a European setting. Methods The following areas are reviewed: the role of bone mineral density measurement for the diagnosis of osteoporo- sis and assessment of fracture risk; general and pharmaco- logical management of osteoporosis; monitoring of treatment; assessment of fracture risk; case finding strategies; investigation of patients; health economics of treatment. Results and conclusions A platform is provided on which specific guidelines can be developed for national use.

2,292 citations

Journal ArticleDOI
TL;DR: New bone formed rapidly, even when the marrow was separated from the surrounding periosseous soft tissues by a sheet of polyvinyl chloride, attesting to the importance of marrow element preservation during osteotomy for limb lengthening.
Abstract: To evaluate the optimum conditions for osteogenesis during limb lengthening and to study the changes in soft tissues undergoing elongation, a series of experiments were performed on the canine tibia. The experiments used the transfixion-wire, Ilizarov circular external skeletal fixator in configurations of differing stability of fixation in combination with a second variable, i.e., preservation of the periosteum, bone marrow, and medullary blood supply. Both increased fixator stability, and maximum preservation of the periosseous and intraosseous soft tissues enhanced bone formation during limb lengthening. To assess the role that the direction of the elongation vector plays in osteogenesis, canine tibiae were widened rather than lengthened in a second series of experiments using an Ilizarov apparatus modified for lateral distraction. The new bone formed parallel to the tension vector even when perpendicular to the bone's mechanical axis. As in longitudinal lengthening, damage to the bone marrow inhibits osteogenesis occurring by the influence of a lateral tension-stress vector. In a third series of experiments, half- and full-circumference cortical defects were created in canine tibiae to study the osteogenic potential of the marrow. New bone formed rapidly, even when the marrow was separated from the surrounding periosseous soft tissues by a sheet of polyvinyl chloride, attesting to the importance of marrow element preservation during osteotomy for limb lengthening.

1,959 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202247
20211,973
20201,860
20191,689
20181,481
20171,567