2003
DOI: 10.1590/s1678-77572003000300010
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Análise histológica, radiográfica e do perfil de imunoglobulinas após implantação de enxerto de osso esponjoso bovino desmineralizado em bloco em músculo de ratos

Abstract: objetivo deste trabalho foi avaliar a biocompatibilidade de blocos de enxerto de osso bovino esponjoso acelular e desmineralizado (Gen-Ox ® , Baumer S.A.). Um bloco cilíndrico (5x12mm) de material de enxerto foi implantado em músculo abdutor da coxa de 30 ratos, sendo os animais sacrificados 3, 7, 14, 21 e 28 dias (n=6) após as cirurgias. Após a tomada das radiografias, as peças foram removidas para o processamento histológico. A análise histológica mostrou que nos períodos de 3 e 7 dias foi evidenciado um pro… Show more

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Cited by 24 publications
(19 citation statements)
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“…It was the Nuremberg Code (1947) that determined that research on humans must be based on the results of animal experimentation -a position reinforced by the Helsinki Declaration in 1975 14 . As equipment, procedures and drugs were developed, scientific investigation was performed in vitro, preferably in a standardized manner (International Organization for Standardization -ISO 10993-6, 1992) 15 , and in animals of small (rats, mice and guinea pigs) 1,3,6 , medium (rabbits, mini pigs, cats and dogs) 4,2,7,9 and large size (sheep and pigs) 5,8,16 . The choice of the model for an experiment is determined by factors such as cost, technical viability of the procedure, scientific principles, available data base and appropriateness of the model vis-à-vis the project 12 .…”
Section: Review Of the Literaturementioning
confidence: 99%
See 1 more Smart Citation
“…It was the Nuremberg Code (1947) that determined that research on humans must be based on the results of animal experimentation -a position reinforced by the Helsinki Declaration in 1975 14 . As equipment, procedures and drugs were developed, scientific investigation was performed in vitro, preferably in a standardized manner (International Organization for Standardization -ISO 10993-6, 1992) 15 , and in animals of small (rats, mice and guinea pigs) 1,3,6 , medium (rabbits, mini pigs, cats and dogs) 4,2,7,9 and large size (sheep and pigs) 5,8,16 . The choice of the model for an experiment is determined by factors such as cost, technical viability of the procedure, scientific principles, available data base and appropriateness of the model vis-à-vis the project 12 .…”
Section: Review Of the Literaturementioning
confidence: 99%
“…The use of animals in biomedical research has been recommended for perfecting and validating existing procedures 1,2,3 , developing new materials 4,5,6 and understanding the various physiological and pathological processes 7,8,9 because there are no in vitro models capable of fully mimicking the complexity of the human organism.…”
Section: Introductionmentioning
confidence: 99%
“…Although autogenous grafts show advantages when compared with other techniques in regard to biocompatibility and bone regeneration potential, 4 experimental assays and clinical experience show limited effective gain of bone volume along the time. 5 For many years, autogenous bones of intra-and extraoral sites are being considered the reference pattern as bone graft, 6 due to its biological advantages and osteogenic potential, 7 acting through osteoinduction and osteoconduction, promoting stimulus and apposition of bone tissue starting from the already existent bone, acting as a guide for bone neoformation. 8 Autogenous bone presents potential for osteogenesis when used as graft to correct bone defects because it contains, in its matrix, osteocytes, osteoclasts, osteoblasts, and osteogenic proteins.…”
mentioning
confidence: 99%
“…The implantation of different xenograft materials, either organic or inorganic, in the subcutaneous tissue of rats leads to recruitment of mononuclear cells, suggesting macrophages and multinucleated cells (MC) (Oliveira et al 1999, Sicca et al 2000, Sanada et al 2003). In the present study, implantation of a porous bone organic matrix xenograft also led to a foreign body inflammatory reaction with remarkable presence of macrophages and MCs, especially at completion of the study period.…”
Section: Discussionmentioning
confidence: 99%