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5 Written questions

5 Matching questions

  1. Why is it important to floss after polishing
  2. Abrasive polishing pastes
  3. How would you avoid over production of saliva during polishing
  4. What are the Factors that influence rate of abrasion
  5. Name the Rotary equipment used for 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 * Used to remove stain & to polish natural teeth. prosthetics appliances, restorations & casting
  3. c 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
  4. d 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. e 1) Polishing cups:-
    2) Prophylaxis angle:-

5 Multiple choice questions

  1. 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
  2. * 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
  3. 1) Extrinsic
    2) Intrinsic
  4. 1) Exposure to medication (tetracycline)

    2) Excessive fluoride ingestion

    3) Other causes during tooth development
  5. * An internal discolouration - incorporated into the enamel

    * These stains cannot be removed by scaling or polishing

5 True/False questions

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

    * These stains cannot be removed by scaling or polishing

          

  2. 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

          

  3. What Equipment is needed for polishing* 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

          

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

    * These stains cannot be removed by scaling or polishing

          

  5. what are the 2 methods of removing plaque & stain1) Extrinsic
    2) Intrinsic

          

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