If your child has a big gap in the middle of his teeth, it is usually best to have it corrected at the age of 12 to 13, too early or too late is not the best time. 1. Children with large gaps in the middle of their teeth need to wait until all the teeth have been replaced before doing orthodontic better, in the 12-13 years of age, the best orthodontic. 2. Before the age of 12, children’s teeth are not basically replaced, this time is not suitable for orthodontic. If the gap between the middle incisors is large due to a thick labial band, labial band release surgery is also needed. Children with large gaps in the middle of their teeth must go to a regular hospital and choose the corrective time and method reasonably under the guidance of the doctor. Wire braces and invisible braces are better ways to wear, during the period of correction can not eat too hard food, but also to keep the mouth clean and hygienic.