Nowdays, people are more and more concerned about health, so as we often come into contact with chemicals, sodium monofluorophosphate, will it cause harm to the human body?
First of all, the conclusion is that the moderate use of sodium monofluorophosphate is not harmful to the human body.
People are often worried that long-term use of fluoride toothpaste may lead to osteofluorosis and dental fluorosis, but in fact, it is not necessary.
Fluorosis pathogenesis period
The fluorosis makes tooth deformity, softening, loss of enamel luster, yellowish-brown spots, and in severe cases, it will even cause dental hypoplasia and loss of normal shape.
Over-intaking of the sodium monofluorophosphate leads to underdevelopment of tooth enamel, and chalky or brownish plaques, and then dental fluorosis is formed, which usually affects many teeth, and the affected teeth will be sore when subjected to cold or hot stimulation.
Fluorosis is mainly caused by long-term consumption of highly fluoridated water (drinking water type) and indoor air pollution caused by coal burning (soot pollution type). Dental fluorosis is caused by excessive intake of fluoride over a long period of time during tooth development (only to child less than 6 years old). Both osteofluorosis and dental fluorosis are manifestations of chronic fluorosis and require long-term excessive intake to occur.
In our daily lives, the scenes where we can come into contact with sodium monofluorophosphate， are usually when we brush our teeth with toothpaste containing this chemical.
It is a chemical substance, so it has the same feature as all kind of chemicals. The usage dosage is a very import index to level if it is harmful or not.
Genearlly speaking, in small and property dosage, Sodium monofluorophosphate is harmless to the human.
Advantages of using sodium monofluorophosphate in toothpaste
Sodium monofluorophosphate is a chemical that is the main active ingredient in fluoride toothpaste, which has the effect of promoting remineralization of the teeth and blocking the dentin tubules. It has a good effect on patients with dentin hypersensitivity.
In addition to being used as an additive in fluoridated toothpaste, SMFP can also be used for fluoridation of drinking water, which has an obvious killing effect on bacteria such as Staphylococcus aureus, Salmonella, Aspergillus niger, Pseudomonas aeruginosa, and Cattacocci, etc. It is able to inhibit the growth and reproduction of these bacteria.
Therefore, a small amount of sodium monofluorophosphate is generally harmless to teeth.
Dosage of using the fluoride toothpaste
Taking a tube of children’s toothpaste with a standard weight of 65 grams on the market as an example, the fluorine content of each tube of toothpaste is 97.5 mg according to the maximum limit of 1,500 mg/kg set by the national standard.
Fluoride content standards in fluoride toothpaste may vary slightly in different countries and regions, but in general they are designed to ensure that fluoride prevents caries while avoiding its possible side effects.
Generally speaking, the fluoride content of fluoride toothpaste for adults should be between 0.05% and 0.15%, while the fluoride content of fluoride toothpaste for children should be slightly lower, at 0.05% to 0.11%.
Studies have shown that, calculated on the basis of 1 mg of fluorine per gram of toothpaste, to cause severely flurosis, people need to swallow 1 tube of toothpaste every 10 days and last for more than 10 years.
Therefore, in the vast majority of cases, osteofluorosis and dental fluorosis are not related to the use of fluoride toothpaste. Generally speaking, just using fluoride toothpaste to brush and rinse the mouth locally will not cause excessive fluoride intake, and if you want to reach the level of fluoride overdose, you have to eat several tubes of toothpaste every day for a long period of time to be able to do so. However, for children with imperfect swallowing function, in order to prevent accidental swallowing of fluoride-containing toothpaste leading to fluoride overdose, the amount of toothpaste can be controlled.
Conclustion
In summary, in our daily lives, the disease caused by fluoride is not from toothpaste grade sodium monofluorophosphate or toothpaste grade sodium fluoride. Using the anti moth toothpaste is not harmful. On the other aspect, it is good for teeth health, if there are caries, dentin allergy and other diseases, you can use toothpaste containing sodium monofluorophosphate under the guidance of a doctor. It is not recommended for long-term use, and do not drink water containing sodium monofluorophosphate for a long time (over decades), so as not to cause damage to the teeth or body.
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