Across
- 3. in tartar preventing toothpaste
- 6. Intercellular substance framework
- 7. lacking cells or cell structure
- 9. white blood cell
- 10. starting point for deposit formation
Down
- 1. without definite shape
- 2. mineral component of enamel
- 4. organism that grows without oxygen
- 5. hardened mineralized plaque
- 8. organism needing oxygen