Oral Health Month/ National Dental Hygienist Week

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Across
  1. 4. number of permanent teeth
  2. 6. hardest material in the human body
  3. 8. this was introduced in toothpaste in 1914
  4. 9. a link exists between oral healh and ? disease
  5. 11. it moves plaque and food debris between teeth
Down
  1. 1. the most common pain affecting the daily lives of Canadians
  2. 2. the first toothbrush invent by the Chinese was made out of this animal's hair
  3. 3. first name of first recognised dental hygienist
  4. 5. university that established the first dental hygiene program in Canada
  5. 7. colorless sticky film of bacteria, small particles, proteins and mucus
  6. 10. last name of father of dental public health in Canada