According to medical history, Yang Liuzhi was used in China in the centuries BC. One or both ends are softened or flattened into a flat brush, and the teeth are wiped with medicine to clean the mouth. This is the beginning of the brush. The existing Dunhuang frescoes in the Tang Dynasty paint a picture of brushing teeth. Wang Dao's "Off-stage Tips" also recorded the dentifrice and brushing methods. If "Cimicifuga, Radix Angelicae Dahuricae, Rhizoma Ligustici, Asari and Lignum Aquilariae Resinatum are used, 3 points each and 6 points of Glauber's salt, the powder is crushed and sieved. Every time I bite my head in Yang Liuzhi, I have to take medicine and brush my teeth, and the fragrance is still bright and clean. " With the development of medical and health undertakings in Song Dynasty, people paid more attention to oral hygiene. At this time, there have been many formulas for brushing teeth in various prescriptions, such as "Records of the Holy Relics" and "Taiping Sheng Huifang". By the Liao Dynasty, two rows of bristle toothbrushes with shapes similar to those of modern toothbrushes were used, which marked a great progress in brushing technology. Since then, the method of brushing teeth has been developing continuously, but the basic method of brushing teeth with tooth powder has continued to modern times. It was not until 1970s that it was replaced by tube toothpaste, and many effective medicinal toothpastes were developed with scientific formula. Toothbrushes and brushing methods are constantly being studied and improved, and a set of scientific brushing methods have been formulated in China. First, toothache

Chaya Bone Powder (selected prescriptions of Beijing traditional Chinese medicine): Zanthoxylum bungeanum 120g, Asarum 120g, Radix Angelicae Dahuricae 390g, Rhizoma Chuanxiong 300g, salt 600g, salt 600g, gypsum 5000g. Grind into fine powder, and brush your teeth with a toothbrush dipped in a little powder instead of toothpaste. The function of clearing stomach and purging heat. Indications: Stomach fire and toothache.

Second, tooth jitter.

1. Toothpaste (Journal of Intermediate Medicine1980; (3): 49) Alum, weathered nitrate, salt 15g, distilled water 1000ml are added into the last three medicines, dissolved and filtered for brushing teeth. Clearing heat and purging fire. Indications: Yangming's teeth are shaking due to fever.

2. Squid bone meal (Journal of Intermediate Medicine1980; (3): 49) 50 grams of squid bone powder, 5 grams of Sophora japonica charcoal, 5 grams of Sanguisorba charcoal, 5 grams of catechu, and 0.6 grams of menthol. Mix the above five medicines evenly and put them into porcelain bottles for later use. Brush a little each time, three times a day. Function: nourishing yin and kidney, benefiting marrow and strengthening teeth. Indications: tooth trembling due to kidney yin deficiency.

3. Guya Powder (selected by external treatment of Chinese herbal medicine) contains 30g of pearl yellow, 30g of gallnut and 90g of fried salt. First, bake the first two herbs and grind them into fine powder, then grind them evenly with fried salt, and the bottle should not be wet for later use. Take a proper amount of toothbrush to brush your teeth every morning, noon and evening, and brush once a day, and your teeth will gradually solidify. Functional acid immobilization. Indications: various types of tooth jitter. After brushing your teeth, clean the toothbrush, spin it dry as much as possible, put the brush head up in the tooth jar, keep it dry, wash it with soapy water every day, and it is best to disinfect two toothbrushes alternately.