| A | B |
| gingivitis | inflammation of the gum tissue |
| disclosing agent | a sloution/pill that allows the plaque to be visible |
| periodontitis | inflammation of the tissue surrounding the teeth |
| plaque | a sticky film which covers the coronal surfaces of the teeth |
| microbiology | the study of a form of life not visible to the naked eyes |
| jacquette | an instrument used to remove deposits from the tooth above the gum tissue |
| fluoride | a mineral solution which when applied to the teeth or ingested will make enamel more resistant to decay |
| pumice | a fine to course abrasive material made from lava used to remove stains from teeth and polish appliances |