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