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Staining and removal Hygiene 2011-2013 Test

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5 Written Questions

5 Matching Questions

  1. Extrinsic staining
  2. what are the 2 methods of removing plaque & stain
  3. Patient instructions
  4. What are you looking for when evaluation of polishing
  5. How would you clean dental instruments during treatment
  1. a * Occurs on the external (top) of the teeth and may be removed by scaling &/ or polishing
  2. b 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
  3. c 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
  4. d 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
  5. e Use a tissue or gauze to avoid injury to youself

5 Multiple Choice Questions

  1. 1) 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
  2. 1) Suction
    2) Floss (taking the grit out)
    3) Handpiece
    4) Rubber cup
    5) Polishing paste
    6) Gauze
  3. * Used to remove stain & to polish natural teeth. prosthetics appliances, restorations & casting
  4. 1) Polishing cups:-
    2) Prophylaxis angle:-
  5. * Rotated slowly & carefully
    by a prophy angle attached to the slow handpiece

5 True/False Questions

  1. 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

          

  2. Intrinsic staining* Occurs on the external (top) of the teeth and may be removed by scaling &/ or polishing

          

  3. 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

          

  4. What is the Handpiece grasp used in polishing1) Modified pen grasp with the handpiece resting in the v shape area of the hand between the thumb and the index finger

    2) This is important as the weight & balance of the hand piece can cause hand and wrist fatigue & possible trauma

    3) Fulcrum finger rest for stability

          

  5. Describe Polishing cups:-* Used to remove stain & to polish natural teeth. prosthetics appliances, restorations & casting

          

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