Synthesis, characterization and bioevaluation of partially stabilized cements for medical applications

• Authors: Georgeta Voicu , Alina Bădănoiu , Ecaterina Andronescu , Carmen Chifiruc
• Languages of publication: EN

Abstracts

EN

Materials for dental applications, i.e., white mineral trioxide aggregate (WMTA) and partial stabilized cements (PSC) were obtained using the sol-gel method. The presence of ZnO or/and CaF2 additions in the starting mixture induced changes in the composition, morphology and grindability of PSCs as compared with WMTA. The presence of foreign elements (Zn or F) in the crystalline lattice of mineralogical phases, increased their grindability. Thermal analysis (TG&DTA) was used to assess the kinetics of hydration process in binding systems based on WMTA/PSCs. The presence of foreign elements in PSCs systems increases the reactivity vs. water of these materials and consequently, the compressive strength developed after 28 days of hardening at 37°C are higher as compared with WMTA. The in vitro bioevaluation results (trypan blue staining, eukaryotic cells cycle assay by flowcytometry) accounted for a high biocompatibilty of the obtained materials demonstrating their potential use for biomedical applications. [...]

Keywords

EN

Partial stabilized cement; Sol-gel synthesis; Hydration and hardening processes; Compressive strength; Cytotoxicity-eukaryotic cell cycle stages

• Publisher: De Gruyter Open
• Journal: Open Chemistry
• Year: 2013
• Volume: 11
• Issue: 10
• Pages: 1657-1667

Dates

published

1 - 10 - 2013

online

19 - 7 - 2013

Contributors

author

Georgeta Voicu

• Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Material Science, Politehnica University of Bucharest, 011061, Bucharest, Romania

author

Alina Bădănoiu

• Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Material Science, Politehnica University of Bucharest, 011061, Bucharest, Romania

author

Ecaterina Andronescu

• Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Material Science, Politehnica University of Bucharest, 011061, Bucharest, Romania

author

Carmen Chifiruc

• Department of Microbiology and Immunology, Faculty of Biology, University of Bucharest, 060101, Bucharest, Romania

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Identifiers

DOI

10.2478/s11532-013-0297-1