Across
- 3. does not have a distinct shape
- 4. a liquid that contains more than the recommended amount of an element
- 5. the specific area where calculus starts to develop
- 8. microorganisms that can survive in an environment with no oxygen
- 9. microorganisms that can survive in an environment with oxygen
- 10. white blood cells that protect our body from infection
Down
- 1. is a chemical in our saliva that helps breakdown tartar
- 2. bones and teeth are made up of calcium and phosphate
- 6. a building block, the frame of something
- 7. hardened plaque that is made up of calcium and phosphorus that is stuck on the teeth or dental appliances
- 8. does not have any cells