Título: | MORPHOLOGIC CHARACTERIZATION OF CERAMICS TO BONE RECONSTROCTION THROUGH DIGITAL MICROSCOPY | ||||||||||||||||||||||||||||||||||||
Autor: |
RICARDO FREDERICO DE OLIVEIRA |
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Colaborador(es): |
SIDNEI PACIORNIK - Orientador |
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Catalogação: | 20/DEZ/2005 | Língua(s): | PORTUGUESE - BRAZIL |
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Tipo: | TEXT | Subtipo: | THESIS | ||||||||||||||||||||||||||||||||||
Notas: |
[pt] Todos os dados constantes dos documentos são de inteira responsabilidade de seus autores. Os dados utilizados nas descrições dos documentos estão em conformidade com os sistemas da administração da PUC-Rio. [en] All data contained in the documents are the sole responsibility of the authors. The data used in the descriptions of the documents are in conformity with the systems of the administration of PUC-Rio. |
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Referência(s): |
[pt] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/ETDs/consultas/conteudo.php?strSecao=resultado&nrSeq=7595&idi=1 [en] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/ETDs/consultas/conteudo.php?strSecao=resultado&nrSeq=7595&idi=2 |
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DOI: | https://doi.org/10.17771/PUCRio.acad.7595 | ||||||||||||||||||||||||||||||||||||
Resumo: | |||||||||||||||||||||||||||||||||||||
In all the surgical activities that are occupied with
structural tissue of the human
being, we have situations presented where it is necessary
the use of additional bone tissue.
The most common indications to use bone fulfilling are:
small reconstructions and average
reconstructions. The patient, who needs bone
reconstruction surgery of small and medium
average, can make use of allopathic material, with a cost
well more accessible than bone
graft alogenic. The study of a bone tissue is a part of
engineering with basic purpose to
form bone substitutes. This work had as priority the
objective to characterize two
materials, one with bovine origin e another one with
synthetic origin, for future
applications as material of fulfilling in bone defects.
The X-Ray diffraction and the infra
red spectroscopy had disclosed that bovine bone is highly
crystalline and composed for
hidroxiapatite - HA, carbonates and composites minority
and the same with TCP. The
bone particles were measured from digital images (MO and
the MEV), using program KS-
400. The dimensions related to the particle size and form
had been measured based on:
area, perimeter, bigger axle, lesser axle, average
diameter, factor of form, convexity and
diameter of Ferret. It was observed that the particles
area of Pro-Bone is, in average, about
10 times smaller than TCP particles area. The smaller
particle size of Pro-Bone can lead
to a much faster reabsortion of the implant material,
generating fibroses and limiting the
osteo-integration. No significant differences in shape
between the two materials were
found.
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