If you want to do a good job of oral hygiene, you must ensure that you brush your teeth twice a day, morning and evening, and rinse your mouth after each meal and after eating to avoid food residues remaining in your mouth. If necessary, you can use tools such as dental floss and interdental brushes to clean the food that is difficult to brush out from the teeth. In addition, flossing can also remove plaque and soft tartar from the teeth and prevent the formation of calculus. If there are oral problems such as dental caries or wisdom teeth in the mouth, you must go to the hospital for treatment as soon as possible, because for dental caries or wisdom teeth, if there are food residues left in these two places, it is difficult to brush them off by brushing, and at this time, a large number of bacteria are likely to multiply, so these two oral problems need to be treated. Regular dental cleaning is also a good way to maintain oral hygiene.