Kids usually begin losing their baby teeth from around 6 years old. From 6-12 years, youngsters have a mix of grown-up and also baby teeth. By around 12 years, the majority of children have all their adult teeth except for the 3rd molars ( knowledge teeth). There are 32 adult teeth. If your child's baby teeth came late, the grown-up teeth will probably be late as well. If you're worried concerning kids dentist and your kid's teeth advancement, see your dental expert.