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Chapter 5 Finger Rests Mandibular Posterior Sextants

Chapter 5 Finger Rests Mandibular Posterior Sextants. Topics. Using mirror to retract the cheek Handle position for mandibular posterior teeth Aspects facing TOWARD and AWAY Sequence for establishing a finger rest Alternate clock positions and finger rests. Using Mirror to Retract Cheek.

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Chapter 5 Finger Rests Mandibular Posterior Sextants

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  1. Chapter 5Finger Rests Mandibular Posterior Sextants

  2. Topics • Using mirror to retract the cheek • Handle position for mandibular posterior teeth • Aspects facing TOWARD and AWAY • Sequence for establishing a finger rest • Alternate clock positions and finger rests

  3. Using Mirror to Retract Cheek

  4. Assume the recommended clock position for the treatment area. Step 1: Assume Clock Position

  5. Grasp mirror Place the mirror head in a “Frisbee-position” between the dental arches. Step 2: Grasp and Place Mirror

  6. Turn mirror until it is parallel to the buccal mucosa of cheek Establish extraoral finger rest Use arm muscles to retract cheek 3. Turn, Rest, and Retract

  7. Handle Position For Mandibular Posterior Teeth

  8. Hand in palm DOWN position Handle rests against index finger in green shaded area Handle Position for Mandibular

  9. Posterior Aspects Toward and Away

  10. Sit at 9:00 for posterior aspects facing TOWARD you. Right-Handed Clinician

  11. Sit at 10:00 to 11:00 for posterior aspects FACING AWAY from you. Right-Handed Clinician

  12. Sit at 3:00 for posterior aspects TOWARD you. Left-Handed Clinician

  13. Sit at 2:00 to 1:00 for posterior aspects FACING AWAY from you. Left-Handed Clinician

  14. Sequence for Establishing a Finger Rest

  15. Alternate Clock Positions and Finger Rests

  16. Variations of Basic Skills • Clinician position and fulcruming techniques may be modified for areas difficult to access. • Alternate positions can facilitate access within deep periodontal pockets.

  17. Alternate Technique: Right-Handed • Clock position is 3 to 4 o’clock • Intraoral finger rest

  18. Alternate Technique: Right-Handed (cont.) • Clock position is 3 to 4 o’clock • Finger-on-finger fulcrum

  19. Alternate Technique: Left-Handed • Clock position is 8 to 9 o’clock • Intraoral fulcrum

  20. Alternate Technique: Left-Handed (cont.) • Clock position is 8 to 9 o’clock • Finger-on-finger fulcrum

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