Comparative measurement of short-term fluoride release and inhibition of caries around restoration by ion releasing restorative materials: an in vitro study

Comparative measurement of short-term fluoride release and inhibition of caries around restoration by ion releasing restorative materials: an in vitro study

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Abstract The main objective of the current study is to compare short-term fluoride release of three ion releasing restorative materials and assess their inhibitory effect on secondary caries.Materials acure face lotion used in this study included, Self-adhesive hybrid composite (group A), Ion releasing flowable composite liner (group B), and alkasite restorative material (group C).Twenty-two discs were fabricated from each material for short-term fluoride release test, conducted on days 1, 7, and 14.For assessing secondary caries inhibition, sixty-six sound molar teeth were used and standardized class V cavities were prepared.Teeth were divided into three groups according to each material, followed by 800 cycles of thermocycling.

Subsequently, teeth were immersed in a solution containing cariogenic bacteria for 30 days.After that, teeth were sectioned bucco-lingually and analyzed using a polarized light microscope to measure inhibition area, outer lesion depth, and extension.Data was statistically analyzed using different tests.The study results revealed a statistically significant ribavirin coupon differences in fluoride release existed among materials.Self-adhesive hybrid composite exhibited the highest fluoride release.

Lesion extension and depth were statistically significantly greater next to Ion-releasing flowable composite liner.The inhibition areas next to the Self-adhesive hybrid composite were statistically significantly larger than the other two materials.In conclusion, all tested ion-releasing restorative materials displayed fluoride release and the potential to inhibit secondary caries formation.Self-adhesive hybrid composite demonstrated the highest fluoride-releasing potential and the greatest ability to inhibit secondary caries.Conversely, Ion-releasing flowable composite liner exhibited the least fluoride release with minimal secondary caries inhibition.

Increasing fluoride release correlated with larger inhibition areas and reduced outer lesion depth and extension.