With the continuous refinement of food, people's chewing function will continue to decline, which will lead to the underdevelopment of the mandible (the mandible is the position where the root grows, and the chewing function can stimulate the development of the mandible). Therefore, the length of the jaw cannot accommodate such teeth, and children's teeth are prone to crowding, disorder and malocclusion.
therapeutic method
If the child's deciduous teeth have all erupted and the permanent teeth have not erupted, orthodontic treatment can be carried out, because deciduous teeth have a certain induction effect on permanent teeth.