The purpose of this study was to investigate the chemical composition and particle morphology of white mineral trioxide aggregate (WMTA) and two white Portland cements (CEM 1 and CEM 2). Compositional analysis was performed by energy dispersive X-ray spectroscopy, X-ray fluorescence spectrometry and X-ray diffraction whereas, morphological characteristics were analyzed by scanning electron microscope and Laser scattering particle size distribution analyzer. The elemental composition of WMTA, CEM 1 and CEM 2 were similar except for the presence of higher amounts of bismuth in WMTA. Calcium oxide and silicon oxide constitute the major portion of the three materials whereas, tricalcium silicate was detected as the major mineral phase. The particle size distribution and morphology of WMTA was finer compared to CEM 1 and CEM 2. The three tested materials had relatively similar chemical composition and irregular particle morphologies.
Dental materials journal. 2016;35(1):112-7. doi: 10.4012/dmj.2015-117
Chemical and morphological characteristics of mineral trioxide aggregate and Portland cements
矿物三氧化物凝聚体和波特兰水泥的化学和形态特征 翻译改进
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DOI: 10.4012/dmj.2015-117 PMID: 26830831
摘要 Ai翻译
Keywords：mineral trioxide aggregate
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