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Brazilian Dental Science
Article . 2010 . Peer-reviewed
Data sources: Crossref
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Brazilian Dental Science
Article
License: CC BY
Data sources: UnpayWall
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Efeitos do risedronato na reparação óssea de ratos machos e fêmeas com osteopenia

Authors: Carolina R. Piai; Valéria A. P. Carvalho; Cristina Werkman; Ana Lia Anbinder; Rosilene F. Rocha;

Efeitos do risedronato na reparação óssea de ratos machos e fêmeas com osteopenia

Abstract

O objetivo deste trabalho foi avaliar histomorfológica e morfometricamente a ação do risedronato na reparação óssea de ratos com osteopenia. Utilizaram-se trinta ratos machos e trinta fêmeas castrados e após um mês deste procedimento, confeccionou-se um defeito ósseo de 3mm de diâmetro nas tíbias direitas dos animais. Estes foram divididos em quatro grupos: I (machos controle); II (machos tratados); III (fêmeas controle); IV (fêmeas tratadas). Administrou-se nos grupos II e IV, após execução do defeito, 0,1mg/Kg/dia de risedronato na água de beber, durante cinco dias e nos grupos I e III, somente água. O sacrifício dos animais ocorreu sete, 14 ou 28 dias após a realização do defeito. Os cortes histológicos foram analisados qualitativa e quantitativamente. Os dados obtidos na histomorfometria foram submetidos à análise estatística (ANOVA e Teste de Tukey, p≤0,05) que revelou um maior preenchimento ósseo nos ratos machos, sobretudo aos sete e 28 dias, independente da utilização do medicamento. Evidenciou-se, ainda, maior grau de maturação do osso neoformado nos ratos machos. Concluiu-se que o tratamento com risedronato mostrou-se ineficaz na reparação óssea e que a diminuição hormonal causou maior prejuízo ao processo de neoformação óssea em fêmeas quando comparado aos efeitos da deficiência hormonal em machos. 

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
gold