The effect of a physiologic solution pH on properties of white mineral trioxide aggregate.

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题名:	The effect of a physiologic solution pH on properties of white mineral trioxide aggregate.
作者:	Shie, MY Huang, TH Kao, CT Huang, CH Ding, SJ
贡献者:	中山醫學大學
日期:	2008
上传时间:	2015-07-10T09:23:30Z (UTC)
ISSN:	0099-2399
摘要:	The purpose of this study was to investigate the effect of two solutions differing by pH (6.4 and 4.0) and the use of a setting accelerator (15% Na(2)HPO(4) solution) on the properties of white-colored mineral trioxide aggregate (WMTA). These studies indicated that pH 4.0 had a deleterious effect on the morphology of WMTA mixed with water, however, not for WMTA mixed with Na(2)HPO(4). When immersed in a pH 4.0 solution for 7 days, WMTA mixed with water or Na(2)HPO(4) achieved a diametral tensile strength of 7.9 and 9.0 MPa, respectively, which was significantly lower (p < 0.05) than those obtained at pH 6.4 (11.2 and 12.0 MPa) but significantly higher (p < 0.05) than day 0 samples (4.4 and 4.8 MPa). Mixing WMTA with the accelerator did not significantly affect the microstructure, solubility, or strength in an acidic environment.
URI:	https://ir.csmu.edu.tw:8080/ir/handle/310902500/11146 http://dx.doi.org/10.1016/j.joen.2008.09.015
關聯:	J Endod. 2009 Jan;35(1):98-101.
显示于类别:	[牙醫學系暨碩士班] 期刊論文

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