What should I do if my child’s lower teeth don’t fall out and new ones come in?

If your child’s lower teeth have not fallen out and new teeth are growing inside, you need to extract the milk teeth as soon as possible if they are retained, or observe them for the time being if the first permanent molars are erupting.
1. Extraction of milk teeth. Children’s teeth replacement usually starts at about six years old, if the teeth erupted after examination are located in the buccal or lingual ectopic eruption of the milk teeth, and the film examination determines that they are retained milk teeth, it is necessary to go to the hospital in time to remove the milk teeth, to avoid causing malocclusion of the teeth.
2. Temporary observation. Children’s lower teeth did not fall inside and grow new teeth may also be the eruption of the first permanent molar, from the second molar behind the top of the alveolar ridge erupted directly, there is no replacement of milk teeth and its replacement, and the front of the second molar is generally replaced at the age of about ten years.
If your child’s lower teeth have not fallen out and new teeth are coming in, it is recommended that you go to the hospital to check the position of the newly erupted teeth and take X-rays for observation, and then treat them according to the situation.