Chapter 17 - Calculus

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Across
  1. 4. Crystalline mineral component of bones and teeth that contains calcium and phosphate
  2. 5. Heterotrophic microorganism that can live and grow in the presence of free oxygen; some are obligate, others facultative
  3. 6. Dental biofilm mineralized by crystals of calcium phosphate mineral salts between previously living microorganisms
  4. 8. A solution containing more of an ingredient that can be held in solution permanently
  5. 9. Heterotrophic microorganism that lives and grows in complete absence of oxygen; some are obligate, others facultative
Down
  1. 1. Composed of polysaccharides, proteins, and other compounds; it acts to protect the biofilm from the host’s immune system and antimicrobial agents
  2. 2. Nucleus, focus, point of origin
  3. 3. White blood corpuscle capable of amoebic movement; functions to protect the body against infection and disease
  4. 4. Not made up of or containing cells
  5. 7. Without definite shape or visible differentiation in structure