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. 2023 Sep;57(3):229-237.
doi: 10.15644/asc57/3/3.

Short-Term Fluoride Release from Ion- Releasing Dental Materials

Llubitza Slaviza Banic Vidal  1 , Nikolina Nika Veček  2 , Ivan Šalinović  3 , Ivana Miletić  3 , Eva Klarić  3 , Silvana Jukić Krmek  3
Affiliations

Short-Term Fluoride Release from Ion- Releasing Dental Materials

Llubitza Slaviza Banic Vidal et al. Acta Stomatol Croat. 2023 Sep.

Abstract

Objective: To compare short-term release of fluoride ions from ion-releasing dental restorative materials.

Material and methods: Seven experimental groups were prepared using the following six different materials: alkasite (Cention Forte), resin-modified glass ionomer cement (Fuji II LC), bioactive composite (ACTIVA BioACTIVE-RESTORATIVE), fluoride-containing nano-hybrid composite (Luminos UN), coat-free glass hybrid (EQUIA Forte HT), coat-applied glass hybrid (EQUIA Forte HT), and glass ionomer cement (Fuji IX). A total of 40 samples for each group (n=40) were prepared in Teflon molds (8 mm x 2 mm) and placed in polyethylene vials with 5 ml of deionized water. Fluoride release was measured after 6, 24, 48 hours, and for 5 weeks using an ion-selective electrode. The results were expressed in mg/l and the data were statistically analyzed using ANOVA.

Results: Significant differences in fluoride release were observed within the first 6 hours (ANOVA p<0.001). EQUIA Forte HT had the highest release, while the other materials showed no significant differences. After 24 hours, EQUIA Forte HT (p<0.001) and Luminos UN (p<0.05) exhibited significantly higher releases, compared to other tested materials. EQUIA Forte HT maintained the highest release at 48 hours (p<0.001), followed by Cention Forte (p<0.05) and Luminos UN (p<0.05). All material pairs showed significant differences in fluoride release at 5 weeks (p<0.001).

Conclusion: Coat-free EQUIA Forte HT had the overall highest fluoride release, while Cention Forte demonstrated the greatest increase over time. ACTIVA BioACTIVE-RESTORATIVE exhibited the lowest fluoride release in this study.

Keywords: Composite Resins; Composites; Dental Materials; Glass Hybrids; Glass Ionomer Cements; Ion Release; MeSH Terms: Fluorides.

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Conflict of interest statement

Conflict of interest The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Hourly fluoride release rates (mg/l).
See this image and copyright information in PMC

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