let's test how well you know about dental hygiene

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Across
  1. 1. "A sticky film of bacteria that forms on teeth",
  2. 3. "The soft tissue that holds your teeth in place",
  3. 5. "The hard, outer layer of your teeth",
  4. 6. "A doctor who takes care of your teeth",
  5. 7. "A metal or plastic device used to straighten teeth",
  6. 8. "Hard structure in your mouth used for chewing",
Down
  1. 1. "A thin string used to clean between your teeth",
  2. 2. "A hole in a tooth caused by decay",
  3. 4. "A clear plastic device used to straighten teeth",
  4. 6. "A type of tooth used for grinding food",