Fluoride (the ionic form of fluorine) is recognised as one of the most important elements for maintaining strong and healthy teeth. While many consumers are familiar with sodium fluoride, stannous fluoride – also known as tin fluoride – has been gaining attention due to its unique properties that go beyond cavity prevention.
What is stannous fluoride?
Stannous fluoride is a chemical compound represented by the formula SnF₂. It is found in various toothpastes, gels, and mouthwashes, playing a crucial role in protecting and maintaining oral health. Its composition gives it characteristics that set it apart from other types of fluoride, offering additional benefits in preventing gum problems and reducing tooth sensitivity.
Specific benefits for oral health
In addition to the cavity-fighting properties typical of all fluorides, stannous fluoride has antimicrobial effects. By acting against the bacteria present in dental plaque, it helps prevent gingivitis and limits biofilm formation. This effect is particularly relevant in preventing early gum disease and controlling tartar build-up.
Another important benefit of stannous fluoride is its ability to reduce tooth sensitivity. The compound forms a protective layer over the dentinal tubules, blocking external stimuli that cause pain, such as hot, cold or acidic foods.
Stannous fluoride is a valuable component in the prevention of cavities, the protection of gums, and the relief of tooth sensitivity. Incorporating products containing this fluoride into a daily oral hygiene routine is an effective preventive measure, complementing brushing and flossing to help keep teeth and gums healthy over time.
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26, September 2025
