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Thèse de Doctorat
DOI
10.11606/T.5.1992.tde-26102005-155504
Document
Auteur
Nom complet
Nivaldo Alonso
Unité de l'USP
Domain de Connaissance
Date de Soutenance
Editeur
São Paulo, 1992
Directeur
Jury
Pinto, Walter Soares (Président)
Gemperli, Rolf
Souza, Luiz Carlos Manganello de
Viterbo, Fausto
Zumiotti, Arnaldo Valdir
Titre en portugais
Estudo comparativo entre enxertos autólogos de crânio e de crista ilíaca. Correlação entre dados macroscópicos e dados histológicos - estudo experimental em coelhos
Mots-clés en portugais
COELHOS
CRÂNIO
ESTUDO COMPARATIVO
ÍGLIO
TRANSPLANTE AUTÓLOGO
Resumé en portugais
O autor estudou comparativamente, em coelhos, enxertos autólogos retirados do crânio e da crista ilíaca. Os animais foram divididos em dois lotes, crânio e crista ilíaca e a seguir distribuídos em três grupos diferentes, de acordo com o tempo de incorporação do enxerto ósseo. Foram correlacionados as medidas das dimensões e peso do enxerto com os achados histológicos realizados após o sacrifício do animal. O autor observou que o enxerto autólogo de crista ilíaca apresentou maior reabsorção que o de crânio aos sessenta dias. O enxerto autólogo de crânio iniciou a formação óssea mais precocemente que o enxerto de crista ilíaca
Mots-clés en anglais
COMPARATIVE STUDY
ILIUM
RABBITS
SKULL
TRANSPLANTATION AUTOLOGOUS
Resumé en anglais
The author compared cranial and iliac crest autogenous bone grafts using an experimental model in rabbits. 57 animals were studied and divided in three different groups, according with the time of evaluation, of the bone graft, 18, 30 and 60 days after the first procedure. Before being positioned on the nasal bone and fixed with a screw, the bone grafts were measured and weighted. The same measures were done at the time of removal of the bone graft and all these datas were correlated with the information achieved with histomorphometric parameters of osteogenesis (bone volume, osteoid volume, osteoid surface, osteoblastic surface and osteoid thickness) and of bone resorption (osteoclastic surface and resorption surface). The author concluded: the relation final wight/inicial weight in the cranial bone grafts was greater than in the iliac crest bone grafts; the osteogenesis was smaller on the 18th day in the iliac crest bone grafts group than the control group; the osteogenesis was greater in the cranial bone grafts group than the iliac crest bone grafts group on the 18th and 30th day after bone grafting; the bone resorption was greater in the iliac crest bone grafts group than the cranial bone grafts group after 60 days; the presence of superficial osteogenesis was increased in the cranial bone grafts.
 
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Nivaldoalonso.pdf (81.00 Mbytes)
Date de Publication
2006-01-04
 
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