The root of the tooth can choose to eat roxithromycin plus metronidazole tablets, can effectively inhibit the oral bacterial infection, and can promote the inflammation to subside, usually after the root of the tooth inflammation oral anti-inflammatory drugs also need to do dental treatment. The dental treatment is generally chosen to do dental root canal treatment, which is to expose the pulp cavity after the tooth is drilled, remove the dental nerve in the tooth and remove the infected material in the pulp cavity, rinse with a large amount of saline, saline or hydrogen peroxide, or you can choose sodium hypochlorite, which can effectively do chemical changes to make the root canal cleaner. After rinsing, root canal filling is done, and after filling, crown sealing or pile restoration is done, and porcelain braces can be done to avoid fracture.