Nov 21, · Adult Teeth Coming In Behind Baby Teeth Shark teeth occur commonly due to overcrowding or malpositioning of the developing permanent tooth below the baby tooth. This leads to the baby tooth not being pushed out on time and hence, both the baby and permanent teeth to be present on the jaw at the same time. Usually, the adult teeth push on the roots of the baby teeth and force them out of the gum, but for adults with a rare condition called tooth agenesis, the adult teeth are completely or partially missing. This condition is present in around percent of the population, according to a study in the Journal of Medicine and Life.
Rest assured, permanent teeth coming in behind baby teeth is not an emergency! Ordinarily, as the permanent teeth push up, the roots of the baby teeth dissolve and the baby tooth eventually falls out, allowing the permanent teeth to come in. Sometimes, the baby teeth don’t want to leave the mouth, and the permanent teeth come in right behind them. This condition is technically known as lingually erupting mandibular incisors and more commonly known as shark teeth or simply permanent . Other dentists say that the permanent teeth start growing in behind the baby teeth because there is too much crowding in the lower jaw. Another theory says that because the permanent teeth develop behind the baby teeth, this is simply a slight deviation from normal and they just didn’t make it as far forward as they should have.
Aug 24, · These teeth will start to get loose around age 6 or 7 to make room for adult teeth. The process of replacing baby teeth with adult teeth will happen over the course of a few years. Even after this, sets of molars will erupt through the gumline with wisdom teeth not appearing until your child is likely an older erot.xyzon: 7 Everett St, Suite #D-E, Revere, , MA.