When infants are birthed, they already have the majority of their teeth under their gums. The initial tooth normally starts to erupt by the age of six months, although the precise age can vary from one baby to another. The first 2 teeth to find in are generally in the bottom middle, adhered to by the four in the upper middle. Most youngsters have a total set of 20 primary teeth by the time they transform pediatric dentist. Some kids do not obtain their teeth at the same time as their peers. This can be triggered by several variables. If a child does not have any teeth by the age of 18 months, she or he need to be required to a pediatric dental professional for an examination.