1. Use a special toothbrush; 2. It is better to use a soft-bristled toothbrush so that it will not brush the gums and cause them to bleed; 3. For the gap or between teeth, it is better to use a small toothbrush or interdental brush so as to improve the degree of cleaning; 4. Clean your teeth regularly, preferably once every six months to once a year, so that there will not be much damage to your teeth. The scaling process can be combined with sandblasting so as to clean the teeth more effectively. If the condition of bleeding gums occurs for a long time, it should be carried out with manual scraping. Orthodontic appliance wearers: In orthodontic treatment, especially in fixed orthodontic treatment, there are more orthodontic attachments, and food is easily embedded in the brackets and brackets (arch wire), which is difficult to clean by brushing, but after rinsing by dental flushing, it can play a cleaning effect that cannot be replaced by toothbrush. On the one hand, it can avoid tooth decay caused by improper cleaning, and on the other hand, it can promote periodontal health and maintain your image.