People often say? Life lies in exercise? Exercise is one of the factors of longevity and health. However, modern people have a tight pace of work and life and may not have time to do sports every day. Chinese medicine believes that teeth are closely related to kidneys, which can support bone growth and bone marrow generation. Tooth is a part of human skeleton, and tooth looseness is related to deficiency of kidney qi and qi and blood. Therefore, frequent tooth tapping can tonify kidney, balance yin and yang, dredge qi and blood, and smooth meridians, thus making the human body healthier. Frequent knocking at the door can strengthen the firmness of teeth and avoid premature tooth loss in old age. It is best to knock in the morning, and it is most important to knock in the morning, because people's teeth will loosen after a night's rest. At this time, knocking at the door can not only consolidate the gum and periodontal tissue, but also excite the teeth nerves, blood vessels and dental pulp cells, which is of great benefit to dental health. Percussion can promote the blood circulation of tissues around teeth and pulp cavity, increase the nutritional supply of teeth, thus strengthening teeth and reducing dental caries. Stick to knocking your teeth often, your cheeks will not collapse easily, and chewing your teeth hard will not loosen and fall off easily. Knocking teeth also has a slight stimulating effect on the brain, which has a certain effect on improving hearing and preventing tinnitus. Strengthen dental exercise and improve caries prevention ability. Fluorine is an essential element for normal metabolism and health promotion. It plays an important role in strengthening teeth and inhibiting the growth of bacteria. There are many ways to supplement fluoride in teeth, among which fluoride toothpaste is a simple and effective method. Everyone may have a mild or severe oral disease, toothache is the most common, but if it is just a common toothache, there may really be nothing to worry about, but if it is tooth decay, it must not be ignored. Food is getting finer and finer, and the sugar content is getting higher and higher, such as chocolate, toffee and refined cake. These soft and sticky foods stick to the surface of teeth, providing enough caries-causing bacteria? Food and grass? . So try to limit the intake of this kind of food and eat more fruits, vegetables, eggs, meat and other foods to promote dental health.