Tin (II) fluoride is a slightly water soluble, white, lustrous crystalline powder. Also known as Stannous fluoride, it is widely used as an oral care component in toothpastes, powders, gels and oral rinses. It is known to make teeth more resistant to the acids and bacteria that cause tooth decay. Tin (II) fluoride is the only fluoride that not only works to fight cavity progression and development but also plaque, gingivitis and dental sensitivity.
Tooth decay, also known as dental caries, occurs when fermentable dietary sugars and bacteria grow in abundance on or between teeth. The instances and progression of caries has dropped dramatically in the last several decades. According to Tufts professor, Athena Papas, “The major reason for the drop in cavities throughout the world has been the use of fluoride in toothpaste.”
HOW TIN (II) FLUORIDE FIGHTS DECAY
- Increasing the growth and size of enamel crystals.
- Reducing solubility of tooth enamel in acid by turning hydroxyapatite into fluorapatite, which is less soluble.
- Reducing production of acid by plaque organisms.
- Boosting the remineralization properties of saliva.
- Creating a denser crystal lattice enabling partial repair of the damaged enamel.
At pH7, saliva contains an abundance of calcium and phosphate ions which serve to neutralize acids and thereby slow the progression of dental caries. As sugar is consumed, acid is produced in the biofilm, or plaque, and pH lowers to 4.5 – 5. It is at this point that the demineralization process begins. Without proper remineralization, dental caries can develop. While this is normally a naturally occurring oral course, there are factors, such as dietary habits, that can impede the process. Remineralization begins when pH returns to 5.5 or above. The use of Tin (II) fluoride will prevent the pH in the mouth from dropping so low, thus causing it to rise sooner.
It was once believed that all fluorides are the same, however research shows that Tin (II) fluoride is far more effective at treating and preventing a wider range of oral health issues. While both types of fluoride prove effective at preventing cavity development, only Tin (II) fluoride protects against other dental maladies such as gingivitis and dental hypersensitivity.
HOW TIN (II) FLUORIDE FIGHTS GINGIVITIS
Gingivitis, a mild form of periodontal disease, is caused by inflammation of the gum at the base of the tooth. This inflammation occurs when bacteria (plaque) accumulates on the tooth. Stannous Fluoride is unique in that it has antimicrobial effects. These properties affect the bacteria that causes this condition by preventing bacteria from attaching to the tooth surface and by reducing its future growth. The result is a reduction in the bacterial byproducts that cause the inflammatory response that leads to gingivitis.
HOW TIN (II) FLUORIDE FIGHTS DENTAL HYPERSENSITIVITY
Tooth sensitivity one of the most common oral health complaints. This hypersensitivity is caused by damage to and erosion of enamel. Under tooth enamel is a hard, bony tissue called dentin. The dentin layer contains microscopic holes that allow hot and cold substances to penetrate the tooth and irritate the nerves underneath. Tin (II) fluoride seals these microscopic holes and prevents stimulation of the nerves.
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