Interpreting the new national standard for toothpaste
Published Time:
2016-06-14
What's new in the new national standard?
1. The definition of toothpaste is added for the first time, making it easier to understand the ingredients and functions of toothpaste.
Toothpaste is a paste-like substance composed of abrasives, humectants, thickeners, foaming agents, fragrances, water, and other additives (functional ingredients that improve oral health).
It should be noted that the new national standard is a production standard, not an efficacy standard. That is, whether a certain toothpaste has special health care effects cannot be judged by the new national standard, but needs to be judged according to the efficacy standard.
2. Higher minimum fluoride content - beneficial for caries prevention
The new national standard raises the minimum fluoride content of adult fluoride toothpaste from 0.04% to 0.05%, ranging from 0.05% to 0.15%, and stipulates that the fluoride content of children's toothpaste should be between 0.05% and 0.11%.
3. Higher pH value - prevents tooth demineralization
The new national standard adjusts the pH value of toothpaste from 5.0-10.0 to 5.5-10.0, meaning the acidity of the toothpaste is reduced. This helps prevent tooth demineralization.
4. Removal of regulations on fragrance and foam - cleaning efficacy remains unchanged
The new national standard removes the requirements for fragrance, consistency, and foam amount in sensory indicators. Because the fragrance and foam of toothpaste are produced by fragrances and foaming agents respectively, although foam can promote the flow and shedding of dirt, the main cleaning agent in toothpaste is still the abrasive, low-foam and low-fragrance toothpaste does not affect the cleaning efficacy of toothpaste.
5. Restriction on the use of diethylene glycol and triclosan - small amounts do not harm health
The new national standard regarding humectant diethylene glycol and preservative triclosan in toothpaste stipulates that: ① Diethylene glycol shall not be added to the raw materials; if it is brought in as an impurity, the content shall not exceed 0.1%. ② The addition of the preservative triclosan is allowed, but the content must be less than 0.3%.
How to choose toothpaste
1. The abrasive is the key to a good toothpaste.
First, consumers should have a basic understanding of the ingredients of toothpaste: ① Humectants mainly include glycerin, sorbitol, and polyethylene glycol. ② Common thickeners are sodium carboxymethyl cellulose (CMC). The new national standard has cancelled the requirement for consistency. ③ Currently, the most commonly used abrasives in various toothpastes are calcium carbonate and silicon dioxide, followed by dicalcium phosphate. Aluminum hydroxide, etc., are used in smaller amounts. Secondly, consumers should understand that the quality of the abrasive is the main indicator of the quality of toothpaste, not the price of toothpaste. Generally speaking, coarse particles are not as good as fine particles, because fine particles of abrasive cause less damage to the surface of the teeth. Aluminum hydroxide and dicalcium phosphate are relatively high-grade abrasives, silicon dioxide is also good, and calcium carbonate is not as good as the former three.
2. Prioritize cleaning function, don't believe toothpaste can cure diseases.
Whether it is pure white, crystal-like, pure white with colored stripes, or pure white with particles, it is a different manifestation of the manufacturer's production process, or the addition of certain ingredients to provide consumers with more diverse choices, but there is no difference in essence (cleaning teeth).
It is worth noting that although toothpaste can sometimes be used as an auxiliary product for oral treatment, it cannot replace drugs for oral treatment. Therefore, when choosing toothpaste, the cleaning function should be prioritized, and the pursuit of whitening, desensitization and other additional functions should be avoided.
3. Preventing dental diseases, improving the oral environment is important.
The latest research reports show that people now generally lack awareness of the protection of the oral environment, and the imbalance of the oral environment leads to bacterial invasion, resulting in a high incidence of oral diseases. When the oral environment is improved, the process of curing oral diseases is shorter. Traditional Chinese medicines such as bamboo salt, ginseng, Phellodendron, Schizonepeta, and Platycodon grandiflorum can also play a significant role in improving the oral environment. However, developing good brushing habits is even more important. The correct brushing method can be summarized as three threes: The first "three": brush the three surfaces of the teeth, and brush vertically to prevent damage to the cervix and gums; the second "three": the brushing time should be maintained for 3 minutes; the third "three": brush your teeth three times a day. Dental floss can be used for areas that cannot be reached by a toothbrush, and regular teeth cleaning is also advocated to remove dental calculus.
If you accidentally swallow some toothpaste, it will not harm your body. However, children sometimes cannot control their brushing behavior and inevitably swallow more. If this continues for a long time, it can cause excessive fluoride intake. Therefore, parents should choose toothpaste with lower fluoride content for them.
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