Children’s teeth in the middle of the gap between the incisors is generally a normal phenomenon in the period of tooth replacement, usually do not need to carry out special treatment. However, it cannot be ruled out that it is caused by supernumerary teeth, which should be corrected in time. Children in the period of tooth replacement, due to the development of the upper and lower jaws, may make the new teeth gap is relatively large, usually a temporary phenomenon, with the gradual eruption of the child’s other permanent teeth, as well as the growth of the teeth, the gap will gradually become narrower, disappear. Therefore, there is usually no need to carry out special treatment, usually pay attention to observe the child with or without dental deformity growth can be. In addition, if the gap between the incisors is relatively large, it may be a supernumerary tooth, resulting in the gap between the newly replaced teeth has become larger, then we should go to the hospital in a timely manner to confirm the film, and then extract the supernumerary tooth. It is recommended to take your child to a professional dental hospital for consultation in time and handle accordingly under the guidance of the doctor.