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Fluoride release and neutralizing effect by resin-based materials

Lookup NU author(s): Professor John McCabe

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Abstract

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.


Publication metadata

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


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