1. Brush your teeth three times a day: brush your teeth once in the morning, once in the afternoon, and once in the evening, with each brushing session lasting no less than three minutes.
2. Use dental floss: Use dental floss every day to clean the small gaps between teeth and prevent bacterial growth.
3. Regular teeth cleaning: Clean teeth at least once a year to remove plaque and tartar from the surface of the teeth.
4. Avoid smoking and drinking: Smoking and drinking are one of the risk factors for oral diseases and should be avoided or reduced as much as possible.

1. Preventing oral diseases: Oral diseases such as dental caries, periodontal disease, oral cancer, etc. can bring us a lot of pain and inconvenience, and even affect our work and life. Maintaining oral health can prevent the occurrence of these diseases.
2. Protecting overall health: Oral diseases are not just internal problems in the mouth, they can also spread to various organs throughout the body through the circulatory system, leading to the occurrence of other diseases. For example, periodontal disease can increase the risk of heart disease, stroke, and other diseases.
3. Improve self-confidence: Having healthy and beautiful teeth can make us more confident, enhance social skills and interpersonal relationships.

Oral health refers to the normal functioning of various tissues and organs in the oral cavity, without the occurrence of diseases or injuries. Oral health includes the health status of teeth, gums, tongue, lips, and other parts. A healthy mouth can give us beautiful smiles while also protecting our overall health.