When children are birthed, they currently have the majority of their teeth under their gums. The very first tooth generally begins to erupt by the age of 6 months, although the exact age can differ from one baby to one more. The first 2 teeth to find in are generally in the bottom middle, adhered to by the four in the top middle. Most children have a full collection of 20 primary teeth by the time they transform pediatric dentist. Some youngsters do not get their teeth at the same time as their peers. This can be brought on by numerous factors. If a child does not have any teeth by the age of 18 months, she or he must be taken to a pediatric dental professional for an examination.