Calculus

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Across
  1. 2. Hardened plaque
  2. 4. Calcium phosphate minerals
  3. 6. containing cells
  4. 7. inhibitor of calcium-phosphate form
  5. 9. No defined shape
  6. 10. White blood cell
Down
  1. 1. Focus of infection
  2. 3. Grow without oxygen
  3. 5. Takes form
  4. 8. requires oxygen for growth