Estudo radiográfico da reparação óssea em tíbias de ratos estressados: densidade óptica por meio de radiografia digital
Abstract
O objetivo do presente trabalho de pesquisa foi avaliar a influência do estresse sobre a reparação óssea em ratos. Neste trabalho os autores realizaram um estudo radiográfico, por meio de radiografias digitais da reparação do tecido ósseo em tíbias de ratos estressados. Para tanto foram utilizados vinte ratos wistar adultos, nos quais foram submetidos a defeitos ósseos com broca esférica Carbide número 7004, o defeito correspondeu ao diâmetro da broca. Os ratos foram divididos em dois grupos: um controle e o outro grupo submetido ao estresse (estresse social agudo). Os animais foram radiografados no intervalo entre 7, 14 e 21 dias. Em vista disso foi realizada análise estatística aplicando o Teste Tukey, nível de 5% de significância e análise de variância ANOVA. De acordo com as condições e a metodologia empregada não foi verificada diferença estatística significante entre os grupos, entretanto pode-se observar que os valores das médias para reparação foram sempre melhores para os ratos que não foram submetidos ao estresse.
UNITERMOS: radiografia digital; reparação óssea; densidade óptica; estresse.
SUMMARY
The objective of the present work was to evaluate the influence of stress it on the bone repair in rats. In this work the authors had carried through a radiography study, by means of digital X-rays of the repairing of the fabric bone in tibias of rats stress. Twenty rats had been used to wistar adult, submitted the bone defects with spherical drill Carbide number 7004. The rats had been divided in two groups: a control and the other group submitted to stress. Both had been radiographed in the interval between 7, 14 and 21 days In accordance with the conditions and the employed methodology were not verified difference significant statistics between the groups.
UNITERMS: digital; bone repair; optical density; stress.
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