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5 Written questions

5 Matching questions

  1. Describe Prophylaxis angle:-
  2. Abrasive polishing pastes
  3. Intrinsic staining
  4. What Equipment is needed for polishing
  5. What are the different textures of abrasives:-
  1. a 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
  2. b * Used to remove stain & to polish natural teeth. prosthetics appliances, restorations & casting
  3. c * An internal discolouration - incorporated into the enamel

    * These stains cannot be removed by scaling or polishing
  4. d 1) Suction
    2) Floss (taking the grit out)
    3) Handpiece
    4) Rubber cup
    5) Polishing paste
    6) Gauze
  5. e 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 Multiple choice questions

  1. 1) Polishing cups:-
    2) Prophylaxis angle:-
  2. * Fluoride is better accepted into the enamel

    * Smooth tooth surfaces are easier for the patient to keep clean (no plaque & calculus present)

    * Formation of new deposits is slowed

    * Patients appreciate the smooth feling and clean appearance
  3. 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. 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. 1) Check the patients medical history for any contraindications

    2) Drape the patient with waterproof bib

    3) Ask patient to remove any dental prosthetic appliance he or she may be wearing

    4) Provide the patient with protective eye wear
    explain the procedure to the patient & answer any questions

5 True/False questions

  1. Bristle brushes are made from1) 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


  2. Why is it important to floss after polishing1) Suction
    2) Floss (taking the grit out)
    3) Handpiece
    4) Rubber cup
    5) Polishing paste
    6) Gauze


  3. 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


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


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


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