Children who are seven years old and still do not lose their teeth may be late replacement of teeth, or there may be no permanent tooth germ, specific need to go to the hospital for oral examination and X-ray examination.
1. Late tooth replacement. Generally, children’s teeth start to replace after the age of six, seven years old still do not fall out of the teeth may be affected by genetic factors or malnutrition, caused by the late replacement of teeth. x-ray examination can be found in the permanent tooth germs, generally can be observed first, and at the same time to strengthen the nutrient supply.
2. No permanent tooth germs. If a child does not lose teeth at the age of 7, he may be congenitally edentulous. X-ray examination reveals that there is no permanent tooth germ under the middle incisors, which is related to heredity or body mutation. In this case, it is necessary to retain the milk teeth or consider the later extraction of milk teeth denture restoration.
Children seven years old still do not lose teeth, it is recommended to go to the hospital according to the individual oral condition and instrumentation examination comprehensive judgment, found that the problem of timely treatment.