Compositions Accelerating the Setting Time of Cements

Portland cement has long been used as a component in various endodontic filling procedures. Newer Portland-type cements such as Mineral Trioxide Aggregate (MTA) have been developed specifically for clinical applications but their long setting times a re viewed as a clinical shortcoming. As a result, many attempts have been made to develop an accelerator that will significantly reduce the setting time while maintaining and/or enhancing the biological and mechanical properties of such cements. Dent ists from the University at Buffalo and the Autonomous University of Barcelona have developed an accelerant that reduces the final setting time of Portland-type cements from an average of four hours to just ten minutes. With an initial setting time o f only four minutes, this accelerant appears to be an ideal additive for clinical applications using Portland-type cements.

Categories: Other, Materials & Chemicals

Type of Offer: Licensing

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