Itchy teeth may be related to gingivitis, periodontitis and other diseases, and need to cooperate with the doctor to receive the right treatment. 1. Gingivitis: gingivitis is a common oral disease, the occurrence of this disease is mainly related to the formation of plaque, which can lead to itchy teeth, bleeding gums and other clinical symptoms. It is recommended to receive ultrasonic scaling treatment to remove plaque and reduce the irritation to the gums. Cooperate with the doctor with hydrogen peroxide solution rinsing gingival sulcus, can also help improve the condition. 2. Periodontitis: The onset of periodontitis is mainly related to the invasion of periodontal tissues by bacteria in plaque, which can lead to the destruction of periodontal supportive tissues and inflammatory reactions in local tissues. If it is caused by local irritants, such as dental calculus and plaque, supragingival scaling or subgingival scraping is needed. If pus overflow occurs in the periodontal pockets, it can be treated by rinsing with hydrogen peroxide solution and placing a medicated membrane such as minocycline in the pockets. If a periodontal abscess occurs, the abscess needs to be incised and drained, in addition, it is often necessary to cooperate with systemic antibiotic medication, such as taking metronidazole and roxithromycin. Usually must pay attention to oral care, morning and evening on time to brush teeth, rinse mouth after meals, try to keep the mouth clean. At the same time, timely medical examination, according to the cause of the disease, choose the appropriate treatment program. Under the guidance of the physician to use drugs.