Kids normally start shedding their primary teeth from around 6 years old. From 6-12 years, children have a combination of adult and primary teeth. By around 12 years, a lot of youngsters have all their adult teeth except for the third molars (wisdom teeth). There are 32 adult teeth. If your kid's baby teeth came late, the adult teeth will probably be late also. If you're concerned regarding kids dentist as well as your youngster's teeth advancement, see your dental practitioner.