Periodontal is usually called furfuryl sterol tablet, the main component is the unsaponifiable substance extracted from rice bran oil. Unsaponifiable material means that the oil medium contains the material that cannot be saponified with sodium hydroxide or potassium hydroxide, and the total unsaponifiable material of the dry product should be not less than 90%, among which the content of sterol is not less than 60%. In addition, it also contains hydrocarbons, advanced fatty acids, triterpene alcohols and vitamins. The sterols in periodontin have anti-oxidation as well as inhibit the growth of periodontal bacteria, play a role in improving the pathological loosening of teeth and resisting gum bleeding. In general, it is mainly used for gum bleeding and periodontal abscesses caused by periodontal disease. Nowadays, periodontitis should be treated clinically with basic treatment before considering medication. Patients are advised not to purchase on their own, and if medication is needed, please purchase and use under the proper guidance of a dentist.