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5 Written Questions

5 Matching Questions

  1. Bristle brushes are made from
  2. What is the Handpiece grasp used in polishing
  3. Extrinsic staining is caused by
  4. What Equipment is needed for polishing
  5. What are the benefits of polishing
  1. a Substances such as:-
    * Tobacco
    * Coffee
    * Tea
    * Red wine
    * Certain drugs
    * Chromogenic bacteria
  2. b 1) Suction
    2) Floss (taking the grit out)
    3) Handpiece
    4) Rubber cup
    5) Polishing paste
    6) Gauze
  3. c 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
  4. d * 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
  5. e 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

5 Multiple Choice Questions

  1. * An internal discolouration - incorporated into the enamel

    * These stains cannot be removed by scaling or polishing
  2. 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. * 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. 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
  5. * 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

5 True/False Questions

  1. Intrinsic staining is caused bySubstances such as:-
    * Tobacco
    * Coffee
    * Tea
    * Red wine
    * Certain drugs
    * Chromogenic bacteria

          

  2. Definition of polishing* An internal discolouration - incorporated into the enamel

    * These stains cannot be removed by scaling or polishing

          

  3. What are the different textures of abrasives:-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

          

  4. Patient instructions* An internal discolouration - incorporated into the enamel

    * These stains cannot be removed by scaling or polishing

          

  5. Describe the rubber cup polishing technique* 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

          

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