Oral Hygiene

123456789
Across
  1. 4. We should brush our teeth ______ a day.
  2. 5. We should brush our teeth for ___ minutes.
  3. 6. We should not forget to brush our ____.
  4. 8. What is the outermost protective layer of our teeth?
  5. 9. Thread used to clean the gaps between our teeth.
Down
  1. 1. Metal wires used to straighten teeth.
  2. 2. Micro-organism that can damage our teeth.
  3. 3. Brushing and flossing help prevent _______.
  4. 4. Brushing this part of our mouth can combat bad breath.
  5. 7. Food and drinks high in _______, can cause cavities.