Ways to use toothbrushes correctly are:1. After each use of the toothbrush, wash it thoroughly and shake off the water as much as possible. Put the toothbrush head up in the mouthwash cup, or place it in a ventilated place with sunlight to dry it and sterilize it.2. If conditions permit, you can pur

Toothbrush is the main tool for people to maintain oral hygiene. There are many types and brands of toothbrushes on the market. What kind of toothbrush is more suitable? This should be considered from the following aspects:The size of the toothbrush head: According to the regulations of the American

Human ancestors had the habit of gargle and brushing teeth. In 3000 BC, the first tool for cleaning the mouth was found in the tomb of the king of Ur city-state of Sumer. One can last for two weeks. In ancient Greece and Rome, people used animal ashes as tooth powder to clean their mouths, and some

With the rapid development of technology and medicine, people's living standards have greatly improved, and the awareness of prevention and health care has been continuously improved. People are also paying more and more attention to oral self-care. Studies have shown that among the three major type