Dental care should pay attention to maintaining good oral hygiene, reasonable eating habits and healthy chewing habits, as follows. 1. Maintaining good oral hygiene: correct and effective brushing is needed, it is recommended to brush at least twice a day for no less than 3 minutes each time, avoid horizontal brushing, and recommend the use of BASS brushing method. 2. Reasonable dietary habits: can help promote the health of oral hard and soft tissues, such as eating more vitamin-rich fruits and vegetables and coarse grains, reduce the frequency of eating sweets. 3. Healthy chewing habits: avoid using one side of the teeth to chew food, and avoid chewing hard food, such as nuts and bones. It is recommended to have regular oral checkups and receive regular treatment as soon as possible when problems are found.