Permanent Teeth Coming In Behind Baby. 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. Permanent teeth have a rough edge to break out through the surface of the gums.
We sometimes call it Shark teeth. It is most common with the lower front teeth when the child is six years old and then the upper back molars when the child is around eleven years old. It is not unusual for your childs lower permanent teeth to appear behind the baby teeth and a lot of parents become alarmed when they see this happen.
As your childs jaw grows their permanent molars will come in behind their primary teeth and fill those gaps behind.
The root dissolves causing the tooth to become loose and fall out making room for the new tooth. It is most common with the lower front teeth when the child is six years old and then the upper back molars when the child is around eleven years old. Usually when a permanent tooth begins to erupt directly under a baby tooth it absorbs the baby tooth root. It is not unusual for your childs lower permanent teeth to appear behind the baby teeth and a lot of parents become alarmed when they see this happen.