Across
- 2. lacking sensation
- 6. Scripps Spelling Bee 1986 word
- 9. used to pull teeth in the 1600's
- 10. pulled teeth in the middle ages
- 11. first dental hygienist
- 12. becoming less or smaller
- 13. pulled infected teeth in 1810
Down
- 1. a salt of hydrofluoric acid
- 3. 7000 BCE drill
- 4. father of dental hygiene
- 5. famous dentist, revolutionary war
- 7. first object used as toothbrush
- 8. tool used to pull teeth in 1810