Abstract
The purpose of this study was to investigate the effects of Bioglass 45S5® and Biosilicate®, on bone defects inflicted on the tibia of rats. Fifty male Wistar rats were used in this study, and divided into five groups, including a control group, to test Biosilicate® and Bioglass® materials of two different particle sizes (180–212 μm or 300–355 μm). All animals were sacrificed 15 days after surgery. No significant differences (P > 0.05) were found when values for Maximal load, Energy Absorption and Structural Stiffness were compared among the groups. Histopathological evaluation revealed osteogenic activity in the bone defect for the control group. Nevertheless, it seems that the amount of fully formed bone was higher in specimens treated with Biosilicate® (granulometry 300–355 μm) when compared to the control group. The same picture occurred regarding Biosilicate® with granulometry 180–212 μm. Morphometric findings for bone area results (%) showed no statistically significant differences (P > 0.05) among the groups. Taken together, such findings suggest that, Biosilicate® exerts more osteogenic activity when compared to Bioglass® under subjective histopathological analysis.
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The authors thank to Fapesp (grant 07/08189-9), CAPES (Nanobiotec network 2009), and CNPq for generous financial support in the period 2007–2009.
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Granito, R.N., Ribeiro, D.A., Rennó, A.C.M. et al. Effects of biosilicate and bioglass 45S5 on tibial bone consolidation on rats: a biomechanical and a histological study. J Mater Sci: Mater Med 20, 2521–2526 (2009). https://doi.org/10.1007/s10856-009-3824-z
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DOI: https://doi.org/10.1007/s10856-009-3824-z