Brushing teeth is an important self-oral health care method to remove dental plaque, soft dirt and food residue with a toothbrush and keep the oral cavity clean. It is also the most important means for people to remove dental plaque by themselves and prevent the occurrence, development and recurrence of periodontal disease.

Choosing appropriate toothbrush, toothpaste and brushing method is helpful to control dental plaque to the greatest extent, maintain oral health or prolong the service life of prosthesis. If the method of brushing teeth is improper, it will not only fail to achieve the purpose of brushing teeth, but will cause various adverse consequences, the most common of which are gingival atrophy and wedge-shaped defect in the neck of teeth.