Dental Hygiene Vocab

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Across
  1. 4. the part of the tooth visible to the eye
  2. 5. a chemical that helps prevent tooth decay
  3. 7. hardened plaque that hurts gum health
  4. 8. another name for bad breath
Down
  1. 1. a dentist who prevents or corrects problems with the alignment or spacing of teeth
  2. 2. a thin, sticky film that builds up on teeth and leads to tooth decay
  3. 3. a common disorder in which the gums are red and sore and bleed easily
  4. 6. the hard material that covers the crown of the tooth