| A | B |
|---|
| crown | the part of a tooth above the gum |
| enamel | the hard outer covering that protects a tooth |
| primary teeth | first twenty teeth that come through a child'd gums |
| permanent teeth | the second set of teeth |
| plaque | a sticky material made up of germs |
| cavity | a hole in a tooth caused by acid |
| dental hygienist | a person who helps a dentist and cleans and X - rays teeth |
| dental floss | strong thread that can help clean between the teeth |
