Analysis:

1, removing dental plaque and preventing dental caries and periodontal disease;

There are many impurities in the oral cavity, such as food residue, tartar, tooth surface pigment, dental plaque, dental calculus and so on. Dental plaque is the most harmful impurity in the oral cavity, which is a very dense plaque composed of glycoprotein, bacteria and food residues in saliva, and is the main cause of dental caries and periodontal disease. Brushing teeth can effectively remove dental plaque, which is the most effective method to prevent dental caries and periodontal disease.

2, * * gums, enhance the disease resistance of gingival tissue:

Proper * * * * on the gingival tissue during brushing can promote the blood circulation of the gingival tissue and enhance the disease resistance of the gingival tissue.