Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/22669
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Type: Journal article
Title: Ion uptake into demineralized dentine from glass ionomer cement following pretreatment with silver fluoride and potassium iodide
Author: Knight, G.
McIntyre, J.
Craig, G.
Mulyani
Citation: Australian Dental Journal, 2006; 51(3):237-241
Publisher: Australian Dental Assn Inc
Issue Date: 2006
ISSN: 0045-0421
1834-7819
Abstract: Background: Diamine silver fluoride (Ag(NH3)2F), referred to as AgF, has been shown to provide a pronounced antimicrobial action against caries. The clinical application of this material has been limited by the staining associated with both teeth and tooth coloured restorative materials. The application of potassium iodide (KI) after AgF eliminates stain formation. The purpose of this study was to determine if a prior application of silver fluoride and potassium iodine to demineralized dentine affected the uptake of strontium and fluoride from a glass ionomer cement restoration. Method: Three cavities were prepared in each of five recently extracted human third molars. The cavities were demineralized and treated as follows. In each tooth, one cavity was left as a control, one cavity was restored with glass ionomer cement and one cavity was treated with 1.8M AgF and a saturated KI solution and then restored with glass ionomer cement. The penetration of the various elements into demineralized dentine was measured by their relative percentage weights using electron probe microanalysis (EPMA). Results: Fluoride uptake was significantly higher in the AgF and KI treated samples compared to the other two samples and significantly higher in the glass ionomer restored sample compared to the control. The application of AgF and KI did not significantly interfere with the transfer of strontium from glass ionomer cement into dentine. Silver and iodine deposits were present in the demineralized dentine treated with AgF and KI. Conclusions: The application of AgF and KI onto dentine prior to the placement of glass ionomer cement did not significantly affect the strontium uptake into the subjacent demineralized dentine and the fluoride levels in this zone were significantly increased.
Keywords: dentine
fluoride
glass ionomer cement
silver fluoride
potassium iodide
strontium
silver
iodine
EPMA
Description: The document attached has been archived with permission from the Australian Dental Association. An external link to the publisher’s copy is included.
DOI: 10.1111/j.1834-7819.2006.tb00435.x
Published version: http://www.ada.org.au/App_CmsLib/Media/Lib/0610/M27818_v1_632972108233566250.pdf
Appears in Collections:Aurora harvest 6
Dentistry publications

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