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Calcium Charge and Release of Conventional Glass-Ionomer Cement Containing Nanoporous Silica

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Title: Calcium Charge and Release of Conventional Glass-Ionomer Cement Containing Nanoporous Silica
Authors: Nakamura, Koichi Browse this author →KAKEN DB
Abe, Shigeaki Browse this author →KAKEN DB
Minamikawa, Hajime Browse this author
Yawaka, Yasutaka Browse this author →KAKEN DB
Keywords: nanoporous silica
glass-ionomer cement
Issue Date: Aug-2018
Publisher: MDPI
Journal Title: Materials
Volume: 11
Issue: 8
Start Page: 1295
Publisher DOI: 10.3390/ma11081295
Abstract: The aim of this study was to evaluate calcium charge and release of conventional glass-ionomer cement (GIC) containing nanoporous silica (NPS). Experimental specimens were divided into two groups: the control (GIC containing no NPS) and GIC-NPS (GIC containing 10 wt % NPS). The specimens were immersed in calcium chloride solutions of 5 wt % calcium concentration for 24 h at 37 degrees C, whereupon the calcium ion release of the specimens was measured. The calcium ion release behavior of GIC-NPS after immersion in the calcium solution was significantly greater than that of the control. Scanning electron microscopy and electron-dispersive X-ray spectroscopy results indicated that calcium penetrated inside the GIC-NPS specimen, while the calcium was primarily localized on the surface of the control specimen. It was demonstrated that NPS markedly improved the calcium charge and release property of GIC.
Type: article
Appears in Collections:歯学院・歯学研究院 (Graduate School of Dental Medicine / Faculty of Dental Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 中村 光一

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