Study of the effect of a filled fluoride releasing enamel sealant versus fluoride varnish on initially demineralized enamel

Document Type : Original Article

Authors

1 Department of Orthodontics, faculty of dentistry, Alexandria University.

2 Professor of Orthodontics, faculty of dentistry, Alexandria University.

3 Department of Dental Biomaterials, faculty of dentistry, Alexandria University.

Abstract

Development of white spot lesions (WSL) adjacent to fixed orthodontic appliances is of fairly common occurrence. Such lesions can appear in patients' mouth within a span of 4 weeks. Aim: This randomized controlled in vitro study was conducted to compare the effect of the use of a filled, fluoride releasing, light cure enamel sealant (Pro Seal) versus fluoride varnish (Fluor Protector) on artificially induced white spots. Methods: Thirty human premolar teeth with artificially induced WSL were photographed using stereomicroscope. Specimens were treated with either fluoride varnish, Pro Seal or used as controls, and then were subjected to an acid challenge. Specimens were then photographed again using the stereomicroscope. Stereomicroscopic pictures were used to compare intensity and scoring of white spot lesions on the teeth before and after acid challenge. Results: The severity of WSL in the specimens treated with either Pro Seal or fluoride varnish remained the same. Diffusion of the WSL and cavitations of enamel surface were seen in the control group. No statistically significant difference was found between the Pro Seal and the fluoride varnish groups regarding their effect on progression of artificially induced white spot lesion when compared to the control group. Conclusion: Both Pro Seal and fluoride varnish showed significant effect on prevention of progression of artificially induced white spot lesions when compared to the control group.

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