Consumers see the variety of toothpaste, full function, in turn, do not know how to choose, you may wish to refer to the following aspects: 1, must use fluoride toothpaste? American dental health experts agree that it is best to choose fluoride toothpaste. The test shows that brushing with fluoride toothpaste twice a day can reduce the risk of tooth decay by 40%. However, for people with healthy teeth, fluoride toothpaste is not necessarily a choice. Teenagers and the elderly can use it more often, but preschool children should use it carefully and need parents’ help to avoid accidentally swallowing toothpaste, which may cause excessive fluoride intake in the long run. 2.What are the ingredients of toothpaste? Toothpaste is composed of a variety of inorganic and organic substances, including rubbing agents, washing and foaming agents, adhesives, moisturizers, sweeteners, aromatics and so on. Among them, rubbing agent is the main component of toothpaste. In recent years, toothpaste also added some Chinese herbs to make a variety of drugs toothpaste. 3.Why is the effect of whitening toothpaste not obvious? The main component of toothpaste is rubbing agent, its basic function is to clean the mouth, whitening, desensitization, hemostasis and other effects are auxiliary. The friction agent particles of whitening toothpaste have a special shape, which is more conducive to removing stubborn teeth stains and can achieve the effect of whitening teeth to a certain extent. However, this toothpaste is limited to removing exogenous stains on teeth, such as long-term coffee, tea and smoking “pollution” on teeth, and has no effect on tetracycline teeth, fluorosis and other deep endogenous stains caused by abnormal tooth development. 4.Should I use one kind of toothpaste for a long time or should I change it? You should try to use different toothpastes with different efficacy and brands, so as to maintain your oral health by utilizing the multi-faceted efficacy of different toothpastes. 5.When brushing, is more toothpaste better? The president of the Massachusetts Dental Health Association, Dr. E. Jane Kroker, said that it is not the same as advertising. Dr. E. Jane Crocker, president of the Massachusetts Dental Health Association, points out that, unlike advertisements, there is not much difference between a toothbrush full of toothpaste and one half full of toothpaste. Use a small amount of toothpaste each time, the same can remove tooth stains, especially fluoride toothpaste, each time squeeze the size of a pea grain can be, this can also extend the life of the toothbrush. 6, choose a good toothpaste, teeth will be healthy? In fact, the best toothpaste and toothbrush are all for nothing if you brush your teeth in an improper way. The correct way of brushing is to keep the toothbrush at an angle of 45 degrees to the teeth, so that the bristles are easier to clean the gaps and gums; it is best to brush in a circle; each brush should be at least 2 minutes. 7. Is there any difference between the efficacy of gel toothpaste and paste toothpaste? Some toothpastes are transparent or translucent colored gel, while others are white paste. Although the taste and texture of gel toothpaste and paste toothpaste are very different, the effect of cleaning teeth is the same. It should be reminded that no matter what kind of toothpaste can only play the role of cleaning and health care, can not replace the drug, not to mention the effect of treatment, if suffering from oral diseases, please seek treatment from a dentist in a timely manner.