Superplastic, Quick-Bonding Endodontic Mixtures and Their Hydration
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The aim of this study was to synthesize and characterize new superplastic endodontic mixtures (named as ALBO-MPSA) with strongly accelerated hydration rate. Two different ALBO-MPSA mixtures were prepared using combination of hydrothermal and high-temperature self-propagating method. Phase analysis of the mixtures, before and after hydration, was carried out by X-ray diffraction (XRD), while morphological analysis was performed by scanning electron microscopy (SEM). Investigations of mechanical properties showed that new superplastic, quick-bonding endodontic mixtures with good mechanical properties were obtained (compressive strength after 28days aging was from 35.7 +/- 0.5 and 37.4 +/- 0.5 MPa). The final phase compositions after hydration of the mixtures were determined on the base of XRD data, assumed mechanism of hydration and rational chemical analysis. The constitutive phases were tobermorite, portlandite, and amorphous Ca(OH)(2), ettringite and amorphous like ettringite phase, g...ypsum, hydroxyapatite and barite.
Извор:International Journal of Applied Ceramic Technology, 2015, 12, SI, E83-E91
- Хемијско и структурно дизајнирање наноматеријала за примену у медицини и инжењерству ткива (RS-172026)
ISSN: 1546-542X (print); 1744-7402 (electronic)