Children usually begin losing their baby teeth from around 6 years of age. From 6-12 years, kids have a blend of grown-up and also baby teeth. By about 12 years, a lot of kids have all their adult teeth except for the 3rd molars (wisdom teeth). There are 32 grown-up teeth. If your child's primary teeth came late, the grown-up teeth will probably be late also. If you're worried concerning kids dentist and also your child's teeth development, see your dental professional.