Fluoride release and uptake of glass ionomer cements indicated for atraumatic restorative treatment/Liberação e reincorporação de fluoreto de cimentos de ionômero de vidro utilizados no tratamento restaurador atraumático

Guglielmi, C.A.B., Raggio, D.P. ORCID: https://orcid.org/0000-0002-0048-2068, Takeuti, M.L., de Camargo, L.B. and Imparato, J.C.P. 2011. Fluoride release and uptake of glass ionomer cements indicated for atraumatic restorative treatment/Liberação e reincorporação de fluoreto de cimentos de ionômero de vidro utilizados no tratamento restaurador atraumático. Pesquisa Brasileira em Odontopediatria e Clinica Integrada 11 (4) , pp. 561-565.

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Abstract

Objective: This study aimed to evaluate the fluoride release and uptake capability of high-viscous glass ionomer cements. Methods: Cylindrical specimens prepared with five different materials (n=3) - Vidrion R (control), Vidrion N, Chem Flex, Fuji IX and Ketac Molar ART - were maintained in individual containers with deionized water for 28 days. Every 24 hours, the water was changed, and after that, the specimens were immersed for 3 minutes in containers with 1100 ppm fluoridated dentifrice diluted in deionized water, before turning to new containers with deionized water. This procedure was repeated for 3 days, totalizing 31 days of experiment. The amount of fluoride ions was measured in the containers used during the experiment with specific electrode for ion detection coupled to a potentiometer. Data were submitted to analysis of variance and LSD test, (α=5%) Results: Vidrion R presented the highest level of fluoride release during the studied period and this difference was statistically significant for all days of experiment. Between the 28 th and 31 st days, the material which released the highest amount of fluoride was also Vidrion R and the one which released the smaller amount of fluoride was Ketac Molar ART. Vidrion N was not able to be recharged with fluoride from the fluoridated dentifrice. Conclusion: Glass ionomer cements suitable for use in ART seem to release fewer amounts of fluoride ions when compared to conventional (low strength) glass ionomer cement.

Item Type:	Article
Status:	Published
Schools:	Dentistry
Last Modified:	10 Nov 2022 10:58
URI:	https://orca.cardiff.ac.uk/id/eprint/148831

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