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5 Written questions

5 Matching questions

  1. What Equipment is needed for polishing
  2. Definition of polishing
  3. Why is it important to floss after polishing
  4. What are the different textures of abrasives:-
  5. what are the 2 methods of removing plaque & stain
  1. a * A technique used to remove plaque & stains from the coronal surfaces of the teeth

    * A dental handpiece, a rubber cup & an abrasive agent are used
  2. b 1) To remove any abrasive agent or debris that may be lodged in the contact area

    2) A floss threader can be used to pass the floss under any fixed bridgework to gain access to the abutment teeth
  3. c Air power polishing:-
    * Uses specially designed handpiece with a nozzle that delivers pressure steam of warm water and sodium carbonate

    Rubber cup polishing:-
    * Most common technique stain removal
  4. d 1) Coarse
    2) Medium
    3) Fine
    4) Extra fine

    * The courser the agent the more abrasive the surface
    even a fine grit agent removes small amounts of the enamel surface

    * Use the abrasive agent that will produce the least amount of abrasion to the tooth surface
  5. e 1) Suction
    2) Floss (taking the grit out)
    3) Handpiece
    4) Rubber cup
    5) Polishing paste
    6) Gauze

5 Multiple choice questions

  1. 1) Exposure to medication (tetracycline)

    2) Excessive fluoride ingestion

    3) Other causes during tooth development
  2. 1) Natural or synthetic materials

    2) Remove stains from deep pits and fissures of the enamel surfaces

    3) can cause severe gingival lacerations and must be used with special care

    4) Brushes are not recommended for use on exposed cementum or dentine as these surfaces are soft and are easily grooved
  3. 1) The teeth should be glossy & reflect light from the mirror uniformly

    2) There should be no evidence of trauma to the gingival margins or any other soft tissues in the mouth
  4. 1) Educate patients about the cause of stains

    2) Most patients are self conscious about stains on their teeth & appreciate any tips you can give them as to how they can keep their teeth as white as possible

    3) When stains are intrinsic, the dentist may want you to discuss possible cosmetic dental care options to satisfy their desire fro attractive and stain free teeth
  5. 1) Extrinsic
    2) Intrinsic

5 True/False questions

  1. Describe the rubber cup polishing technique* Rotated slowly & carefully
    by a prophy angle attached to the slow handpiece


  2. How would you clean dental instruments during treatment1) Start on the upper buccal then upper palatal

    2) Then lower buccal then lingual

    * Flavours influence production of saliva
    * Use a thin layer on the teeth


  3. Abrasive polishing pastes* Used to remove stain & to polish natural teeth. prosthetics appliances, restorations & casting


  4. Describe Prophylaxis angle:-1) Commonly called prophy angle,

    2) Attaches to the to the slow hand piece

    3) Reusable prophy angle:- must be properly cleaned and sterilised after each use

    4) Disposable angle:- is discarded after a single use


  5. What are the Factors that influence rate of abrasion* The more agent used the greater the degree of abrasion

    * The lighter the pressure the less abrasion

    * The slower the rotation of the cup, the less abrasion