Below you can find the To polish teeth dentists use a powder made from this light-colored volcanic rock Jeopardy Words Answer. The answer to To polish teeth dentists use a powder made from this light-colored volcanic rock has 6 letters. This clue belongs to the Rocks & minerals category and is part of Jeopardy Word Level 1876. If you scroll near the bottom you will find other clues and answers part of level 1876