What are the causes of dental caries in children?

Children's dental caries is mainly due to children's oral self-cleaning effect and cleaning effect is relatively poor, many children do not brush their teeth, even if brushing is a hasty, not effective brushing, so there are a lot of bacteria, soft dirt on the teeth above lead to dental caries. Moreover, children's dental caries or due to different tooth structure, such as teeth calcification ability is relatively low, so the acid resistance will appear weaker, so it is easy to lead to dental caries. Another reason for child caries is that children like to eat softer foods, and like to eat sweeter foods, which may lead to child caries.