THIS IS A MEDICAL CONDITION called "Hyperdontia". That is when you get a double set of teeth. There can also be more than a double set. Some of the skulls from 12 foot Giants that has been found has a double set of teeth.
HAVE YOUR OWN WEB SITE OR BLOG, without knowing computer language. Simple to create. Simple to add new material. If you are a car-buff, create a family blog, like to put all your pictures from your travels on it, or sell merchandise, this is so simple - - even I can do it. Try it out. "Simplesite" really is the simplest.