Nowadays, there are many types of Toothpaste in the supermarket, and the functions are all. In the face of various functions of toothpaste, consumers do not know how to choose. Does the toothpaste have a shelf life? Do you need to change your toothpaste often? Why is the effect of Whitening Toothpaste not obvious? Here are some questions that are common to everyone when buying and using toothpaste.
1 Do you have to use fluoride toothpaste?
American dental care experts agree that it is best to choose fluoride toothpaste. Tests have shown that brushing teeth twice a day with fluoride toothpaste reduces the risk of caries by 40%. Wang Weijian, director of the Department of Preventives at Peking University Stomatological Hospital, thinks that fluoride toothpaste is not an inevitable choice for people with healthy teeth. Adolescents and the elderly can use it more, but preschool children should be used with caution and need parental help. Careful swallowing of toothpaste may cause excessive fluoride uptake in the long run.
2 What is the toothpaste ingredient?
Toothpaste is composed of a variety of inorganic and organic materials, including abrasives, detergent foaming agents, adhesives, moisturizers, sweeteners, fragrances, and the like. Among them, the friction agent is the main body of the toothpaste component. In recent years, some Chinese herbal medicines have been added to toothpaste to make a variety of drug toothpastes. But don't worry, all ingredients are safe.
3 Why is the effect of whitening toothpaste not obvious?
It is precisely because the main component of toothpaste is a friction agent, so its basic function is to clean the mouth, whitening, desensitization, hemostasis and other effects are auxiliary. The whitening toothpaste has a special shape of the abrasive particles, which is more conducive to removing the stubborn stains of the teeth, so that the effect of whitening the teeth can be achieved to some extent. However, Wang Weijian pointed out that this toothpaste is limited to the removal of exogenous pigmentation of teeth, such as long-term coffee, tea and smoking, such as "contamination" of teeth, deep into the tetracycline teeth, dental fluorosis, etc. due to abnormal teeth development Source stains have no effect.
4 Does the toothpaste have a shelf life?
Many people found that when they bought toothpaste, some toothpastes indicated the shelf life, and some did not. Wang Weijian said that toothpaste has a shelf life, because the chemical contained in it will be chemically reacted after a certain period of time, especially the toothpaste that has been opened, preferably within one or two months. In addition, the longer a tube of toothpaste is used, the more chances of exposure to the air and the greater the chance of exposure to bacteria.
5 Is the toothpaste used for a long time or should it be used instead?
Should try to use different functions and brands of toothpaste, can play a variety of different ways of toothpaste, thus maintaining oral health.
6 When brushing your teeth, is the toothpaste as much as possible?
Dr. E. Jane Crocker, president of the Massachusetts Dental Care Association, pointed out that unlike advertising, toothbrushes are packed with toothpaste, and half of the toothpaste is squeezed. The brushing effect is not much different. Each time you use a small amount of toothpaste, you can also remove tooth stains, especially fluoride toothpaste, each time you squeeze the size of the peas, which can also extend the life of the Toothbrush.
7 When you choose toothpaste, your teeth will be healthy?
In fact, if you brush your teeth improperly, the best toothpaste and toothbrush are no good. The correct way to brush is to keep the toothbrush at a 45-degree angle to the teeth so that the bristles are easier to clean the gaps and gums; it is best to draw a circle brush; each brushing should be at least 2 minutes.
8 Is gel-like toothpaste different from paste-like toothpaste?
Some toothpastes are transparent or translucent colored gelatinous, while others are white paste. Although the taste and texture of gelatinous toothpaste and paste toothpaste are very different, the effect of tooth cleaning is the same.
