your child will most likely have lost all of their baby teeth and have a set of 28 permanent teeth.
the last molars, or wisdom teeth, take a while to grow in. these four molars will grow in between ages 17 to 21. some people may never even have fully grown set of wisdom teeth.
when teeth become loose it is most likely because a permanent tooth is pushing the baby tooth out. baby teeth will naturally fall out. the roots holding the baby tooth eventually become loose and will begin to disintegrate. it is important that you do not try to force a tooth out. trying to pull a tooth before 