Chapter 17

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Across
  1. 6. holding more of a substance than normal, which can lead to deposits forming.
  2. 8. chemical in saliva that helps prevent tartar buildup.
  3. 10. without a clear shape.
  4. 11. microbe that can live and grow with oxygen.
Down
  1. 1. not made of cells.
  2. 2. hardened dental plaque made from mineral deposits.
  3. 3. starting point or center of growth. chemical in saliva that helps prevent tartar buildup.
  4. 4. structure or framework that supports growth or development.
  5. 5. microbe that lives and grows without oxygen.
  6. 7. white blood cell that helps fight infection.
  7. 9. mineral in bones and teeth made of calcium and phosphate.