1. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Chapter 5 Finger Rests Mandibular Posterior Sextants

2. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins 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. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Using Mirror to Retract Cheek

4. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Step 1: Assume Clock Position Assume the recommended clock position for the treatment area.

5. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Step 2: Grasp and Place Mirror Grasp mirror Place the mirror head in a “Frisbee- position” between the dental arches.

6. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins 3. Turn, Rest, and Retract Turn mirror until it is parallel to the buccal mucosa of cheek Establish extraoral finger rest Use arm muscles to retract cheek

7. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Handle Position For Mandibular Posterior Teeth

8. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Handle Position for Mandibular Hand in palm DOWN position Handle rests against index finger in green shaded area

9. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Posterior Aspects Toward and Away

10. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Right-Handed Clinician Sit at 9:00 for posterior aspects facing TOWARD you.

11. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Right-Handed Clinician Sit at 10:00 to 11:00 for posterior aspects FACING AWAY from you.

12. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Left-Handed Clinician Sit at 3:00 for posterior aspects TOWARD you.

13. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Left-Handed Clinician Sit at 2:00 to 1:00 for posterior aspects FACING AWAY from you.

14. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Sequence for Establishing a Finger Rest

15. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins

16. Alternate Clock Positions and Finger Rests

17. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins 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.

18. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Alternate Technique: Right-Handed Clock position is 3 to 4 o’clock Intraoral finger rest

19. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Alternate Technique: Right-Handed (cont.) Clock position is 3 to 4 o’clock Finger-on-finger fulcrum

20. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Alternate Technique: Left-Handed Clock position is 8 to 9 o’clock Intraoral fulcrum

21. Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Alternate Technique: Left-Handed (cont.) Clock position is 8 to 9 o’clock Finger-on-finger fulcrum