Riddles Random Riddle: 6-4-2015 June 4, 2015March 22, 2015 gags I dig out tiny caves and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help yet many people are afraid to let me help them. Who am I? Show answer I am a dentist.