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Lookup NU author(s): Professor John McCabe
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This study evaluated the fluoride-releasing and neutralizing abilities of resin-based materials containing fluoride in water and aqueous lactic acid. Two composites, containing a low-solubility fluoride component (Heliomolar) and a fluoro-alumino-silicate glass (UniFil S), and two giomers, containing surface reaction type pre-reacted glass-ionomer filler (Beautifil) and full reaction type glass-ionomer filler (Reactmer paste), were used. Resin-modified glass-ionomer cement (Fuji II LC) was used as a control. The fluoride release and pH value in storage medium, after immersion in each material, was measured for 10 weeks. For UniFil S and Beautifil, the amount of fluoride released in acid solution markedly increased compared to storage in water (p<0.05). Although all materials, except Heliomolar, neutralized the storage media, the neutralizing ability of these resin-based materials in acid solution sharply decreased with aging of the specimens, except for Fuji II LC. These results suggest that the nature of fluoride incorporated into resin-based materials affect the fluoride-releasing and neutralizing ability of materials in water and aqueous lactic acid.
Author(s): Itota T, Al-Naimi OT, Carrick TE, Yoshiyama M, McCabe JF
Publication type: Article
Publication status: Published
Journal: Operative Dentistry
Year: 2005
Volume: 30
Issue: 4
Pages: 522-527
Print publication date: 01/07/2005
ISSN (print): 0361-7734
ISSN (electronic): 1559-2863
Publisher: Operative Dentistry
PubMed id: 16130874
