Fluoride recharge of aesthetic dental materials

The objective of the study was to compare the potential for fluoride recharge of two glass–ionomer cements, a resin‐modified glass–ionomer cement, a compomer and a fluoride‐containing composite in artificial saliva. Disc samples of each of the materials were placed into artificial saliva. The fluori...

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Bibliographic Details
Published in:Journal of oral rehabilitation 1999-12, Vol.26 (12), p.936-940
Main Authors: Preston, A. J., Higham, S. M., Agalamanyi, E. A., Mair, L. H.
Format: Article
Language:English
Subjects:
Acrylic Resins - chemistry
Aluminum Silicates - chemistry
Analysis of Variance
Cariostatic Agents - chemistry
Compomers
Composite Resins - chemistry
Dental Materials - chemistry
Dentistry
Fluorides - chemistry
Glass Ionomer Cements - chemistry
Humans
Maleates - chemistry
Materials Testing
Methacrylates - chemistry
Polyurethanes - chemistry
Resin Cements - chemistry
Saliva, Artificial - chemistry
Silicates - chemistry
Sodium Fluoride - chemistry
Time Factors
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Summary:The objective of the study was to compare the potential for fluoride recharge of two glass–ionomer cements, a resin‐modified glass–ionomer cement, a compomer and a fluoride‐containing composite in artificial saliva. Disc samples of each of the materials were placed into artificial saliva. The fluoride content of the artificial saliva was determined at various intervals up to 57 days. The discs were subjected to a 2 min exposure of NaF (500 parts/106). This recharge procedure was repeated at 64 and 120 days. The fluoride release was measured before and after recharge. The fluoride release for all of the materials increased after each exposure to NaF; however, the amount for the composite was very low. The resin‐modified glass–ionomer cement displayed the greatest potential for fluoride recharge at 57 and 64 days (P
ISSN:0305-182X
1365-2842
DOI:10.1046/j.1365-2842.1999.00502.x