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In vitro enamel and cementum fluoride uptake from three fluoride-containing composites

K Kawai¹, D Tantbirojn, A S Kamalawat

¹Department of Operative Dentistry, Osaka University Faculty of Dentistry, Osaka, Japan kkawai@ dent.osaka-u.ac.jp

Caries Research

|September 24, 1998

Summary

This study evaluated fluoride release and uptake from three light-cured composites. FluorEver demonstrated the highest fluoride uptake by enamel and cementum, suggesting superior cariostatic potential.

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Area of Science:

Dental Materials Science
Cariology
Biomaterials

Background:

Fluoride incorporation into dental restorations enhances cariostatic effects.
Understanding fluoride release and uptake is crucial for developing effective caries-preventive materials.

Purpose of the Study:

To quantify fluoride release from three visible light-cured, fluoride-containing composites.
To assess fluoride uptake by enamel and cementum from these composites.

Main Methods:

Fluoride release was measured in distilled water over 90 days.
Fluoride uptake was determined using an acid etch biopsy technique on enamel and cementum after simulated oral immersion.
Three successive biopsies were performed at standardized depths.

Main Results:

Significant differences in fluoride release were observed among the three composites.
Fluoride release peaked early and then plateaued.
FluorEver exhibited the highest fluoride uptake in both enamel and cementum, followed by FluoroCore and Pertac-Hybrid.

Conclusions:

The tested composites vary in their fluoride release and uptake characteristics.
FluorEver shows promising potential for enhanced fluoride delivery and retention in dental tissues.
Further research is warranted to correlate these findings with clinical anticaries efficacy.