Across
- 1. to observe an activity
- 4. decayed part of a tooth
- 5. a string to remove food from between the teeth
- 6. the result of something
- 9. something that sometimes causes illness
- 11. something that is done frequently
Down
- 2. to not pay attention to something
- 3. a way to restore tooth damage
- 7. to make certain
- 8. to become violent against someone
- 10. something that tastes bitter