Functional toothpaste is further questioned how to choose toothpaste?

The toothpaste used every day may be hidden. According to a report by the People's Daily on May 2, an article reprinted on the official website of the General Administration of Quality Supervision, Inspection and Quarantine pointed out that six brands of whitening toothpastes of China, Colgate, Black Girl, Crest, Black and Libai were blended with bleach sulfite and Its analogues have health risks for long-term use. This news not only made the whitening toothpaste begin to be questioned, but the safety of other functional toothpastes also received much attention. What kind of toothpaste is better, how to use it is safer and more effective? "Life Times" reporter asked the relevant experts.

It is understood that sulfites and their analogues are generally used in the industrial fields such as papermaking. It is a substance prohibited by the mandatory national standard GB22115-2008 "Standards for the use of raw materials for toothpaste". However, in the routine testing of toothpaste, there is no requirement for sulfite, so whether the toothpaste on the market contains sulfite is “not good to say”. The China Oral Care Products Industry Association issued a statement saying, "According to the experimental details described in the relevant reports, the method of testing the whitening ingredients in whitening toothpaste has a large degree of uncertainty in terms of scientific principles."

Regardless of the outcome of the incident, in the view of Professor Bi Liangjia, a member of the Chinese Academy of Stomatology, the periodontal disease group, any whitening toothpaste has little effect. There are only two ways to whiten your teeth, which is to remove the facial stains and improve the brightness of the teeth themselves. The former needs to be treated in the hospital, and the latter needs to use a whitening agent to oxidize and decompose the tooth surface. The whitening toothpaste bleaching agent can remove some of the pigmentation on the surface of the tooth, but it has no effect on the endogenous deep pigmentation of the tooth. This is why some consumers “have not changed their teeth even after three or four months of brushing. The reason for white. Moreover, because the degree of whiteness of teeth is related to enamel and dentin, the structure of Chinese teeth has determined that our teeth are white and yellowish, which is impossible to change with expensive whitening toothpaste.

Experts said that in addition to too much whitening toothpaste, there are still many misunderstandings in the process of using toothpaste. In order to clean your teeth more effectively, it is best to follow the following points when choosing a toothpaste.

Ordinary people choose more fluoride toothpaste. Ouyang Yong, deputy director of the Department of Oral Prevention, Guanghua Stomatological Hospital, Sun Yat-Sen University, said that the current fluoride-containing toothpaste in China accounts for 70% of the entire toothpaste market. Consumers in high-fluorinated areas do not need to use fluoride toothpaste, but in many cities in China, the concentration of fluoride in water is low, and it is still necessary to promote the use of fluoride toothpaste in these areas. American dental health experts also agree that the general population should choose fluoride toothpaste. Tests have shown that brushing teeth twice a day with fluoride toothpaste reduces the risk of caries by 40%. However, Wang Weijian, director of the Prevention Department of Peking University Stomatological Hospital, reminds that teenagers and the elderly can use more. Preschool children should be used with caution, and parents need help, so as not to accidentally swallow toothpaste. In the long run, it may cause excessive fluoride uptake and pose a potential threat of fluorosis. .

Functional toothpaste should be used with caution. The Consumers Association of Beijing issued a consumer warning that consumers without oral diseases and caries should not blindly choose functional toothpaste. Once improperly selected, side effects may occur. Chinese herbal toothpaste can reduce inflammation and fire, and has a certain effect on periodontal health care. However, long-term bleeding of the gums should go to the hospital for treatment. Do not expect toothpaste to play a therapeutic role; anti-allergic toothpaste can relieve tooth sensitivity, but the cleaning effect is not as good as ordinary toothpaste. And the United States study found that some of the toothpaste contained in triclosan may interfere with the body's immune system, and then induce allergies, which should not be used for a long time. The long-term use of the drug ingredients in the drug toothpaste will cause the flora in the mouth to be dysfunctional. Drugs may also enter the intestine; long-term use of calcium-containing toothpaste may increase the concentration of calcium ions in the mouth, promote the formation of dental calculus; patients with salty toothpaste hypertensive should be used with caution.

Anti-injury, picking small particles. Ding Xiaoyi, deputy secretary general of the Chinese Stomatological Association, said that when buying toothpaste, it is mainly about the quality of the friction agent. It is better to contain aluminum hydroxide and calcium hydrogen phosphate, followed by silica, which has the lowest grade. In addition, the particles of the various abrasive agents are sized, and the finer particles have less damage to the tooth surface.

Buy two, use it sooner or later. It is understood that in advanced countries in Europe and America, more than 80% of people will use different toothpastes in the morning and evening to better protect their teeth. Professor Bi Liangjia said that the saliva secreted by the human oral cavity has a bactericidal function. During the daytime, the amount of saliva secreted is 3-4 times that of the night, which is easy to inhibit the production of bacteria, and it is easy to eat food during the daytime. It is easy to leave food residue in the oral cavity, so the cleaning function should be selected. Good, toothpaste can remove foreign matter and odor; in the evening, when the person is in sleep state, the secretion of salivary glands is insufficient, and toothpaste based on bacteriostasis should be used to prevent rickets.

Toothpaste squeezed soy beans in large and small size. Many people are affected by advertisements. When they squeeze toothpaste, they like to squeeze a whole piece of toothbrush. If they are swallowed, they will cause excessive fluoride intake. Fluoride is one of the essential elements of the human body. If the body lacks fluoride, it will suffer from dental caries, but excessive fluoride in the body will also form dental fluorosis, which will make the teeth brittle.

Toothpaste does not have a good effect on water. When most people brush their teeth, they will habitually wet the toothbrush and then squeeze the toothpaste. Experts believe that it is not appropriate to wet the toothbrush before brushing, because it is easy to foam, so that people mistakenly think that the tooth has been cleaned. Instead of using foam to cleanse the teeth, toothpaste relies on the cleansing ingredients inside and the friction between the toothbrush and the teeth. The finer the friction and the longer the time, the cleaner the brush.

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