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In vivo behaviors of Ca(OH)2 activated nano SiO2 (nCa/nSi=3, TCS) cement were investigated in the rabbit femoral defects using the poly(methyl methacrylate) (PMMA) as control. The deposited apatite and CaCO3 layers round TCS paste surfaces were completely used to construct the new bone tissue. TCS paste could stimulate the formation of new bone tissue in marrow tissue. The osteostimulation was mainly...
The reactivity of nano silica (SiO2) with calcium hydroxide (Ca(OH)2) was evaluated and characterized in this study. Ca(OH)2 activated nano SiO2 takes place through an exothermic process, which is mainly attributed to the breakdown of SiOSi bonds. Ca2+ offsets the charge imbalance and bonds to SiOH and SiO− giving rise to calcium silicate hydrate (CSH) gel. Care has to be taken that the reactivity...
The major goal of this study was to investigate and characterize novel Ca(OH)2‐activated nano silica (SiO2) cements for the potential application as a bone cement. Novel Ca(OH)2‐activated nano‐SiO2 powders composed of Ca(OH)2 and nano‐SiO2 were easily prepared, and the deionized water was used as the liquid phase. The initial and final setting times of Ca(OH)2‐activated nano‐SiO2 cements with liquid...
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