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Type: Artigo de periódico
Title: Inhibition of demineralization in vitro around amalgam restorations
Author: Pimenta, LAF
Fontana, UF
Cury, JA
Serra, MC
Elderton, RJ
Abstract: Objective: The purpose of this in vitro study was to evaluate some forms of preventing or avoiding demineralization within enamel cavity walls adjacent to amalgam restorations. Method and materials: Third molar teeth were sectioned to obtain 72 specimens, divided into one control and five experimental groups: amalgam only; varnish plus amalgam; acidulated phosphate fluoride plus amalgam; adhesive amalgam; glass-ionomer cement plus amalgam; control (amalgam only, not subjected to a demineralization challenge). The experimental groups were subjected to pH and thermal cycling and then submitted to enamel hardness determinations. Results: Significant differences between the treatment groups revealed that the bonded amalgam technique offered the best resistance to demineralization. The Else of cavity varnish resulted in greater mineral loss than amalgam placed alone. Conclusion: The use of an adhesive system, glass-ionomer cement, or acidulated phosphate fluoride under amalgam restorations may interfere with development of secondary caries.
Subject: amalgam restoration
bonded amalgam restoration
secondary caries
Country: EUA
Editor: Quintessence Publ Co Inc
Citation: Quintessence International. Quintessence Publ Co Inc, v. 29, n. 6, n. 363, n. 367, 1998.
Rights: fechado
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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