The proper steps for oral cleansing include rinsing and brushing your teeth. Rinse your mouth after three meals a day with water to help remove food debris left in the mouth. After gargling and brushing, the correct way to brush teeth is the Pasteur brushing method, toothbrush bristles of the right hardness, the bristles and teeth between the 45 ° or so beveled, each time 2 ~ 3 teeth as a group, first clean the inside of the teeth, and then clean the outside, the occlusal surface. After gradually cleaning the teeth of the mouth in the above manner, gently scrape the tongue and face, and the overall brushing time is not less than 3 minutes. In addition to rinsing and brushing, if there are food residues stuck in the crevices of the teeth, you can also gently remove them with the help of dental floss. It is recommended to develop good oral hygiene habits, use the correct brushing methods and brushing appliances, and conduct regular oral checkups to help reduce plaque and prevent other oral diseases.