Stimulates jaw development. Teeth have a normal eruption position during jaw development. When the permanent teeth erupt, they will be under the deciduous teeth. Through the eruption, the roots of the deciduous teeth will continue to be absorbed. When the absorption reaches a certain level, the deciduous teeth can fall off. The permanent teeth can erupt normally and there will be no double row of teeth.

New buds grow but old buds remain. This phenomenon is very common. It is recommended to go to the hospital. The doctor will give you a good answer. It seems that all the children around me who have this phenomenon go to the hospital for help with correction and treatment. I had never encountered this kind of situation when I was a child. When I asked him about it, his answer was that maybe children nowadays are too well-nourished, and the permanent teeth grow too fast, and the deciduous teeth grow relatively firmly, so they need to use tools to help pull out the deciduous teeth. Normal growth. The new teeth have already come out, but the deciduous teeth have not yet fallen out, which will inevitably lead to misalignment of the newly grown teeth, affecting the appearance. The old saying goes away, otherwise the deciduous teeth will push against the permanent teeth, which will make the parents less careful when the permanent teeth grow crooked. The children will eat everything, and they will also chew fruits by themselves. Nowadays, it is basically a few old people to take care of the children, for fear that the children will choke. If it catches and cannot be digested, the fruit will be squeezed into juice and the meat will be crushed into foam. It has been very common for many years and may be a manifestation of the degeneration of the human jaw.

This is related to the further refinement of the food we humans eat and the lack of functional exercise of the jaws and teeth to prevent the child's mouth and teeth from being affected. This results in the child's permanent teeth growing in before the deciduous teeth fall out. came out, so a double row of teeth appeared. Go to the dentist to extract the deciduous teeth, and then intervene. The permanent teeth may return to their original positions. The permanent teeth are larger than the deciduous teeth (especially in the front teeth area), and the permanent tooth germs are in a narrow space. The jawbone is not aligned properly and is not located below the deciduous teeth to be replaced. It is often oriented to the lingual side, resulting in incomplete root resorption of the deciduous teeth, and the deciduous teeth cannot fall out naturally. "Double rows of teeth" caused by congenital factors are difficult to prevent. As long as the bones develop, the teeth have a normal eruption position. When the permanent teeth erupt, they will be under the deciduous teeth. Through the eruption, the roots of the deciduous teeth will continue to be absorbed. To a certain extent, the deciduous teeth can be absorbed. fall off. The permanent teeth can erupt normally and there will be no double row of teeth. In this case, it is recommended to go to a dental hospital if you are worried about cross-infection during the epidemic.