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5 Written questions

5 Matching questions

  1. What are the different textures of abrasives:-
  2. What are the 2 Types of stains
  3. Extrinsic staining
  4. Bristle brushes are made from
  5. Definition of polishing
  1. a * 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
  2. b 1) Extrinsic
    2) Intrinsic
  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 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. e * Occurs on the external (top) of the teeth and may be removed by scaling &/ or polishing

5 Multiple choice questions

  1. 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
  2. 1) Exposure to medication (tetracycline)

    2) Excessive fluoride ingestion

    3) Other causes during tooth development
  3. * Rotated slowly & carefully
    by a prophy angle attached to the slow handpiece
  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* Occurs on the external (top) of the teeth and may be removed by scaling &/ or polishing

          

  2. What are the benefits of 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

          

  3. Patient preparation for polishing1) 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

          

  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. Abrasive polishing pastes* 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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