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5 Written questions

5 Matching questions

  1. What are the Factors that influence rate of abrasion
  2. Describe the rubber cup polishing technique
  3. what are the 2 methods of removing plaque & stain
  4. Extrinsic staining
  5. What is the Handpiece grasp used in polishing
  1. a * 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. b * Rotated slowly & carefully
    by a prophy angle attached to the slow handpiece
  3. c 1) 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
  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 * Occurs on the external (top) of the teeth and may be removed by scaling &/ or polishing

5 Multiple choice questions

  1. 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
  2. * 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
  3. 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. Substances such as:-
    * Tobacco
    * Coffee
    * Tea
    * Red wine
    * Certain drugs
    * Chromogenic bacteria
  5. * An internal discolouration - incorporated into the enamel

    * These stains cannot be removed by scaling or polishing

5 True/False questions

  1. Describe Polishing cups:-* Soft webbed

    * Used to clean & polish the smooth surfaces of the teeth

    * Attaches to the reusable prophy angle by either a snap on or Screw on attachment


  2. Name the Rotary equipment used for polishing1) Polishing cups:-
    2) Prophylaxis angle:-


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


  4. How would you avoid over production of saliva during polishingUse a tissue or gauze to avoid injury to youself


  5. What are the benefits of polishing1) Extrinsic
    2) Intrinsic


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