1. Choose a toothbrush suitable for the baby's age, and try to choose a toothbrush suitable for the baby's mouth size and soft bristles, which will help to clean the mouth better.
2. Teach your baby the correct way to brush his teeth. If he can't learn temporarily, don't worry. Let him observe and imitate more, and then let him gradually start to brush himself.
3. Cultivate good eating habits, eat less sweets and drinks, and eat more healthy foods such as vegetables and fruits.
4. Regular oral examination, taking prevention-oriented strategy for oral diseases, nip in the bud.