Youngsters generally begin shedding their primary teeth from around 6 years of age. From 6-12 years, kids have a mix of adult as well as baby teeth. By about 12 years, many kids have all their grown-up teeth with the exception of the third molars ( knowledge teeth). There are 32 adult teeth. If your child's primary teeth came late, the adult teeth will most likely be late too. If you're concerned regarding kids dentist as well as your youngster's teeth advancement, see your dental practitioner.