Effects of Fluoride Varnishes on Tooth Decay
Author Information
Author(s): Iwawaki Rika, Horie Taku, Alhotan Abdulaziz, Nagatsuka Yuka, Sakuma Keiko, Yoshihara Kumiko, Tsujimoto Akimasa
Primary Institution: Department of Operative Dentistry, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
Hypothesis
Does high-concentration fluoride varnish application inhibit the progression of initial enamel caries?
Conclusion
High-concentration fluoride varnish application did not significantly promote remineralization but improved acid resistance in early enamel caries.
Supporting Evidence
- Fluoride varnishes are easy to apply and can stay on teeth for at least 24 hours.
- Clinical studies show fluoride varnishes can reduce caries incidence by 25% to 45%.
- Fluoride varnishes have been used safely for over sixty years in Europe.
Takeaway
Fluoride varnishes can help make teeth stronger against acid, but they don't really help fix early tooth decay.
Methodology
The study used bovine enamel to create models of initial enamel caries and compared the effects of fluoride varnishes and mouthwash on remineralization and acid resistance.
Limitations
The study only evaluated short-term effects and did not assess long-term remineralization potential.
Digital Object Identifier (DOI)
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