Effect of Sodium fluorosilicate (cas 16893-85-9) on the Properties of Portland Cement

Add time:08/03/2019    Source:sciencedirect.com

IntroductionMineral trioxide aggregate (MTA) satisfies most of the ideal properties of a surgical root-end filling and perforation repair material. It has been found to be nontoxic, noncarcinogenic, nongenotoxic, biocompatible, insoluble in tissue fluids, and dimensionally stable and promotes cementogenesis. The major disadvantages are its long setting time and difficult handling characteristics during placement when performing endodontic procedures. MTA is similar to Portland cement (PC) in both composition and properties. The cement industry has used many additives to decrease the setting time of PC. Proprietary formulas of PC additives include fluorosilicates, which decrease setting time. The purpose of this pilot study was to determine whether Sodium fluorosilicate (cas 16893-85-9) (SF) could be used to decrease the setting time without adversely affecting the compressive strength of PC.

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