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Fluoride release from restorative materials coated with an adhesive.

Authors
  • Miranda, Letícia Algarves
  • Weidlich, Patrícia
  • Samuel, Susana Maria Werner
  • Maltz, Marisa
Type
Published Article
Journal
Brazilian Dental Journal
Publisher
SciELO
Publication Date
Jan 01, 2002
Volume
13
Issue
1
Pages
39–43
Identifiers
PMID: 11870961
Source
Medline
License
Unknown

Abstract

The retention of both fluoride resins and resin-modified glass ionomer cements to dental tissues can be improved by the association of an adhesive system which promotes the bonding between the resin component and dentin, forming a hybrid layer. The purpose of this investigation was to evaluate if the presence of the adhesive, being part of the hybrid layer composition, interfered with the fluoride released to tooth tissues. The restorative materials studied were: Vitremer (3M), Heliomolar (Vivadent) and Z100 (3M) using an adhesive application (Scotch Bond MultiPurpose Plus--3M). Ten discs of each material were prepared: 5 were covered with the adhesive and 5 were not. The discs were immersed in individual flasks containing artificial saliva which was changed daily. Fluoride release was measured at days 1, 5, 10, 15 and 20 by a fluoride combined electrode (9609 BN--Orion) coupled to an ion analyzer (SA-720 Procyon). One-way ANOVA and the Student-Newman-Keuls test were applied to compare the materials. The results showed that the use of a dental adhesive significantly decreased the fluoride release of Vitremer and reduced the fluoride release of Heliomolar to undetectable levels with the methodology used.

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