Tooth is an organ that chews food in almost all vertebrates. It is also the hardest organ in the human body. In a person's life, he has two teeth in his life. He is the first to grow "baby teeth" until about two years old. Come out, a total of twenty. Around the age of six, the deciduous teeth gradually fell off and grew "permanent teeth", a total of thirty-two. The hardest organ of the human body, in addition to the functions of biting, chewing, etc., also plays a role in maintaining facial shape and assisting pronunciation. Therefore, human teeth are very important, but many people do not pay attention to protecting teeth. Although the teeth are hard, the inorganic ions of the teeth can still exchange with the surrounding body fluids, and even change the nature of the teeth. Therefore, the composition of teeth and its properties are affected by the inorganic ionic components in blood and saliva, which affects the use and health of teeth. So what nutrients do you need most in your teeth, making him stronger and more durable? 1, the teeth need to "complement" calcium Calcium is a major component of teeth, but in general, teeth are divided into three periods: growth phase, calcification phase, and eruption period. Once the teeth erupt, calcium is added, and the help for teeth is limited. Therefore, for teeth, The most important time for calcium supplementation is between the time when the mother is pregnant for 4 months and the time when the child is born for 11 months. Calcium supplementation at this time is most beneficial to the teeth. At this time, you should pay attention to the intake of calcium-rich foods such as milk, cheese, and soy products. In particular, the proportion of calcium and phosphorus in milk is suitable for human body absorption. In addition, when cooking calcium-containing foods, proper vinegar is added to help dissolve calcium and facilitate absorption. 2, the teeth need to "complement" magnesium Magnesium is one of the essential minerals to maintain normal human activity. In daily life, the supplement of calcium has received people's attention. In fact, calcium supplementation can not ignore the supplement of magnesium. Only when the ratio of calcium to magnesium reaches 2:1, the two can reach a balance in the human body to ensure Both minerals are used reasonably. Magnesium and calcium complement each other, both of which can help to improve osteoporosis and strengthen bones and teeth. Therefore, when eating calcium-containing foods, you may want to eat them with some foods rich in magnesium. Common foods containing magnesium include: cereals such as millet, corn, soba noodles, sorghum noodles, oatmeal, macaroni, baked potatoes; beans Such as soybeans, black beans, broad beans, peas, kidney beans, tofu; vegetables such as winter vegetables, leeks, peppers, mushrooms; fruits such as carambola, longan, Walnuts; other such as shrimp, peanuts, sesame, seafood and so on. 3, the teeth need to "supplement" phosphorus Phosphorus is also one of the main components of the teeth. It is also a nutrient that is lacking in the strong replenishment of the teeth. Many elderly people have aggravated their gums and loosened their teeth. At this time, they feel that the teeth are getting longer and may even cause tooth loss. Phosphorus can help effectively. Strong teeth, phosphorus also helps the gums and alveolar bone, so phosphorus can prevent gums from shrinking and prevent loose teeth. Phosphorus is widely distributed in foods, and is rich in phosphorus in meat, fish, milk, beans, cereals, and vegetables. 4, the teeth need to "fill" vitamin D As mentioned above, the teeth need calcium and phosphorus. Is it enough to eat these foods rich in calcium and phosphorus? At this time, you need to pay attention to absorption, even the best food, if the human body can not absorb and use, it is also no good to eat. Vitamin D helps the body to promote the absorption of calcium and phosphorus, so that the body really "eats" calcium and phosphorus. Foods rich in vitamin D include animal liver, fish oil, etc. At the same time, more sun exposure also helps the skin to secrete vitamin D. 5, the teeth need to "complement" fluoride Fluoride can ion exchange with hydroxyapatite on the surface of enamel to form fluoroapatite, which has less solubility than hydroxyapatite, and fluoroapatite can resist mites and reduce the incidence of dental caries. Fluorine also helps to inhibit bacterial fermentation and reduce the formation of organic acids near the teeth, which also protects the enamel. However, if the fluorine is too much, the fluoroapatite will increase on the surface of the enamel, and the enamel will lose its luster, forming white or yellow-brown markings, called glaze; fluorine can inhibit the activity of dentin cells and even affect the osteogenesis. . Generally, drinking water contains fluorine, which can meet the demand for fluoride in teeth. However, if you drink filtered water and purified water for a long time, you can use fluoride toothpaste to help supplement fluoride. Similar to fluorine, iodine also has an anti-caries effect. 6, teeth need to "fill" vitamin C Vitamin C is an important nutrient for the maintenance of gum health. People who are seriously deficient in vitamin C will become fragile, prone to disease, swelling of the gums, bleeding, loose teeth or falling off. Therefore, proper intake of vitamin C can prevent tooth loss and whiten teeth. Lack of vitamin C can also lead to periodontal disease. Fresh green vegetables and fruit in the water are rich in vitamin C. The daily diet should ensure the full supply of vegetables and fruits. 7, the teeth need to "complement" molybdenum Molybdenum helps to strengthen the hardness and firmness of the teeth and prevent dental caries. The molybdenum in the diet is mainly derived from animal internal organs, meat, whole grains, wheat germ, eggs, leafy vegetables and yeast. Specifically, foods with higher molybdenum content include: soybeans, lentils, turnips, brown rice, beef, mushrooms, grapes, and vegetables. Having said that, do you already know which foods are good for your teeth? The teeth have to accompany us for a lifetime. In order to eat better, take good care of your teeth! 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