Children normally begin shedding their baby teeth from around 6 years of age. From 6-12 years, kids have a mix of grown-up and primary teeth. By around 12 years, many kids have all their grown-up teeth besides the third molars (wisdom teeth). There are 32 adult teeth. If your child's baby teeth came late, the adult teeth will most likely be late also. If you're concerned concerning kids dentist and also your child's teeth development, see your dentist.