2015, Number 3
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Rev Odont Mex 2015; 19 (3)
Physicochemical analysis of MTA Angelus® and Biodentine® conducted with X ray difraction, dispersive energy spectrometry, X ray fluorescence, scanning electron microscope and infra red spectroscopy
Rodríguez RAC, Hernández PG, García GMV, García ARL
Language: Spanish
References: 19
Page: 174-180
PDF size: 501.32 Kb.
ABSTRACT
The aim of the present study was to characterize components of commercial cements used in dentistry MTA Angelus
® White (Angelus Lodrina, Parana Brazil) and Biodentine
TM (Septodont, Saint-Maur-des Fosses, France). Techniques used for said characterization were Scanning Electron Microscope, X-Ray Diffraction, X Ray Fluorescence, Electron Dispersion Spectrometry, and Infrared Spectroscopy. Both cements were mixed according to manufacturer’s instructions. A study of surface texture was conducted with Scanning Electron Microscope (SEM), and X Ray Diffraction (XRD) analysis, and X Ray fluorescence analysis (XRF), an analysis of Dispersive Energy Spectrometry (DES), as well as an Infra Red Spectroscopy (IRS) in order to determine functional groups.
Results: In XRD analysis, a difference was found: Biodentine exhibited Na
2O and ZrO
2. These elements were absent in MTA. MTA presented Cr
2O
3 and BiO
2 which in turn were absent in Biodentine. EDS analysis revealed that differences were found in the radio-opacifying agent, and that Biodentine presented CaCl
2 differing in this from MTA. Statistical analysis conducted revealed statistically significant percentages in contents, even though components were found to be practically the same. SEM analysis revealed marked differences: MTA presented irregular and porous surface whereas Biodentine exhibited irregular and filament form.
Conclusion: There is a great similarity in the chemical components of MTA Angelus and Biodentine, with the exception of chemical components providing radio-opacity, the size and form of the grain, and, in Biodentine presence of calcium chloride.
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