Fiber-enriched calcium phosphate cement implanted in the femur of rats: a histological evaluation / Cimento de fosfato de cálcio reforçado por fibras implantados nos fêmures de ratos: uma avaliação histológica
RFO UPF
;
19(1): 32-36, abr. 2014.
Article
in English
|
LILACS-Express
| LILACS
| ID: lil-726456
ABSTRACT
Objective:
to perform a histological analysis of nylon, carbon, and polypropylene fiber-enriched calcium phosphate cement (CPC) for use as bone substitute in the femur or rats. Materials andmethod:
Fiber-enriched CPC blocks (6-mm diameter, 2-mm thickness) were im-planted in the femur of 20 male Wistar rats. The ani-mals were euthanized at 30, 60, 90, and 120 days, with removal and histological assessment of specimens.Results:
Biocompatibility, resorption, and osteoconduc-tion were assessed. At all times, histological assessment revealed the formation of dense connective tissue with low cellularity, little vascularization, and a few mono-nuclear cells. Surrounding the implant, slight resorption and hyalinization of peripheral collagen fibers were ob-served, with evidence of incorporation of implant mate-rial into connective tissue. Osteoid tissue was observed at 120 days. Bone resorption surrounding the implant was not significant.Conclusion:
Based on the present criteria, CPC seems adequate for use as bone substitute.
Full text:
Available
Index:
LILACS (Americas)
Language:
English
Journal:
RFO UPF
Journal subject:
Dentistry
Year:
2014
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
Federal University of Pelotas/BR
/
Pontifical Catholic University of Rio Grande do Sul/BR
/
University of São Paulo/BR
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