Answers:
When you are born you already hold adjectives of your tooth "buds" present lower than your gum tissue waiting for the right time to erupt into the mouth. This is why if a child ingests too much fluoride or have a illustrious frenzy the teeth may own white spots on them. Here is a knit to a chart of when the primary (baby, milk, deciduous- adjectives equal thing) and irrevocable (adult) teeth erupt. http://www.ada.org/public/topics/tooth_e...
Hope this helps
JAMRDH - a dental hygienist
it doesnt. thats why theres fix teeth
They don't.