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|Title:||Significance of hydrogen ion concentration on the dissolution of mercury from dental amalgam.|
|Authors:||Soh, G. |
|Citation:||Soh, G.,Chew, C.L.,Lee, A.S.,Yeoh, T.S. (1991-03). Significance of hydrogen ion concentration on the dissolution of mercury from dental amalgam.. Quintessence international 22 (3) : 225-228. ScholarBank@NUS Repository.|
|Abstract:||The potential risks of mercury dissolution from dental amalgam have long been recognized. This study examined the effect of hydrogen ion concentration on the release of mercury from two dental amalgams: an admixed high-copper amalgam and a new tin- and copper-free amalgam. Specimens of each type of amalgam were incubated citric acid buffer of pH 2.5 or pH 7.0. Results showed that, for both types of amalgam, specimens incubated at pH 2.5 released statistically significantly greater (P less than .0001) quantities of mercury than did specimens incubated at pH 7.0. Release of mercury from the tin- and copper-free amalgam was also statistically significantly greater (P less than .0001) than that of the higher-copper amalgam at both pH levels.|
|Source Title:||Quintessence international|
|Appears in Collections:||Staff Publications|
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