What math do teeth love? Calculus!

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Across
  1. 3. Calcified dental plaque.
  2. 4. a surrounding framework, enabling development in a structured manner
  3. 6. heterotrophic microorganism that can live and grow in the presence of free oxygen; some are obligate, others facultative; adj. aerobic.
  4. 8. without definite shape or visible differentiation in structure.
  5. 9. crystalline mineral component of bones and teeth that contains calcium and phosphate.
  6. 10. a solution containing more of an ingredient that can be held in solution permanently.
Down
  1. 1. not made up of or containing cells
  2. 2. nucleus, focus, point of origin.
  3. 5. heterotrophic microorganism that lives and grows in complete (or almost complete) absence of oxygen; some are obligate, others facultative; adj. anaerobic.
  4. 7. inhibitor of calcification that occurs in parotid saliva of humans in variable amounts; anticalculus component of “tartar-control” dentifrices.