Present situation of oral health in China

Zhang Chengyu wants to maintain a healthy old age. Oral health is very important, which is related to chewing ability, digestion ability and the ability to ingest protein through meat. However, Japanese programs recently pointed out that Swedes in their 80s can still keep most of their teeth, which is much higher than the average of eight teeth for the elderly in Japan. The reason is actually related to the way you brush your teeth! The 80-year-old Japanese has eight teeth left ... The Swede has 23 teeth, but the secret is after brushing his teeth 1 According to the Japanese lifestyle and health program "What the teacher didn't teach (ガッテン! In recent years, the way Swedes brush their teeth has attracted attention. Swedes over the age of 80 can still keep about 23 teeth, which is a huge gap compared with about 8 teeth in Japan, and Swedes love sweets very much. Why can they have healthy teeth? It turns out that the key is fluoride, which can form a protective film on teeth and help prevent tooth decay. More than 90% of toothpaste in Japan contains fluoride, but it can't keep up with Sweden's high tooth preservation rate. The reason is probably due to the concept of oral care and the way of brushing teeth. (Editor's recommendation: polishing enamel … 15 NG The habit of letting teeth collapse is the most harmful after meals! About 80% of Swedish residents regularly receive professional oral care from oral hygienists, and the University of Gothenburg (Swedish: g? Tebs universitet also designed a brand-new brushing method, which was popularized in Sweden, which can help to maximize the role of fluoride in toothpaste and make the effect of preventing tooth decay better. The practice is also very simple. After brushing your teeth with toothpaste, spit out the foam in your mouth and remember not to gargle. According to experiments, this can make the fluoride concentration in your teeth as high as 23.8%, but it will drop to 8% after one rinse, and only 1.9% will remain after four times. According to the information provided by Matsui Dental Clinic in Japan, the method of brushing teeth without rinsing can make fluoride in toothpaste cover the tooth surface, which can prevent tooth decay bacteria from dissolving minerals on the tooth surface, thus helping to prevent tooth decay. Hiroshi Matsui, president of Matsui Dental Clinic, personally tried this method, and said that not gargling sounds uncomfortable, but it is actually surprisingly easy to accept. The method of tooth brushing with fluoride maximization is super simple for Swedes, and the information provided by Gao Qiao Stomatological Hospital also provides a simple process:/kloc-more than 0.5 adults squeeze about 2cm of toothpaste on their toothbrushes. For children under 5 years old, about 5mm is enough, 6 ~ 14 years old 1cm. Use a toothbrush to spread toothpaste all over your teeth, and then brush for 2 minutes. ※. Keep foaming, don't spit out toothpaste, and then add 10ml (about 1 bottle cap) of water. Rinse your mouth for 30 seconds and then spit it out completely. At the same time, don't eat or drink water for 2 hours, which can keep the effect of fluoride longer. You can buy toothpaste with low foam, low fragrance and low grinding force, which is more suitable. ※.