Calculus

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Across
  1. 3. not made up of or containing cells
  2. 4. survives best in an environment of high oxygen tension
  3. 5. white blood corpuscle capable of amoeboid movement, functions to protect the body against against infection and disease
  4. 7. is composed of polysaccharides, proteins and other compounds it acts to protect the biofilm
  5. 9. a solution containing more of an ingredient that could be held in solution permanently
Down
  1. 1. is composed of organic and inorganic components and water
  2. 2. inhibitor of calcification that occurs in parotid saliva of humans in variable amounts
  3. 4. heterotrophic microorganism that lives and grows in complete absence of oxygen
  4. 6. nucleus, focus, point of origin
  5. 8. calcium phosphate, a compound used on teeth as an artificial hydroxyapatite