Fluorine is also added to toothpaste as fluoride toothpaste. Sodium fluoride reacts with alkaline calcium phosphate in teeth to produce harder and more insoluble calcium fluorophosphate.
Dental caries is the result of breaking the dynamic balance between demineralization and remineralization of tooth hard tissue. Demineralization is the dissolution and loss of minerals in teeth; Re-mineralization means that dissolved mineral salts are deposited on the teeth again. Fluoride can make remineralization greater than demineralization and prevent the development of dental caries.
Extended data:
Precautions:
1, The Oral Health Guide for China Residents puts forward that fluoride should be popularized and applied among high-risk population in low fluoride areas, fluoride-suitable areas and areas with high caries incidence. But people in high fluoride areas are not suitable for using fluoride toothpaste.
In some areas of our country, such as Chaoshan area and Shanxi area where there are many coal mines, the groundwater itself contains high fluorine, and local residents do not remove fluorine when drinking this water, and long-term excessive intake of fluorine leads to chronic poisoning.
Mild poisoning can cause dental fluorosis, and a few severe poisoning can lead to skeletal fluorosis. The tooth surface of patients with dental fluorosis will appear chalk spots or even punctate pits, which will turn yellow-brown due to dentin exposure and coloring.
It should be pointed out that relevant measures have been taken to reduce the fluoride concentration in drinking water of residents in high fluoride areas, and the incidence of dental fluorosis in people in high fluoride areas has decreased.
2. Fluoride toothpaste is not suitable for babies. Nowadays, there are many kinds of children's toothpaste, no matter in packaging, taste or paste color, there are more patterns than adult toothpaste: strawberry flavor, citrus flavor, peach flavor, and countless flavors; Pink, light green, rainbow stripes, colorful colors.
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