POHS FINAL EXAM UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

POHS FINAL EXAM UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS

Question:
1. An intraoral fulcrum rests on
Answer:
a tooth

Question:
2. Fulcrum should be how far from the tooth you are working on
Answer:
1-4 teeth

Question:
3. Never fulcrum on
Answer:
the tooth you are working on

Question:
4. Fulcrum provides
Answer:
strength and stability

Question:
5. What teeth should be avoided when picking a fulcrum
Answer:
mobile teeth or large carious lesions

Question:
6. Modified pen grasp
Answer:
3 finger grasp with thumb, index and middle fingers in contact with instrument (tripod)

Question:
7. Hold the instrument with your _________ hand
Answer:
dominant

Question:
8. Modified pen grasp allows for
Answer:
precise control of the working-end of an instrument

Question:
9. Modified pen grasp permits a wide

,Answer:
range of movement

Question:
10. Modified pen grasps allows for good
Answer:
tactile sensitivity

Question:
11. Sickle scaler working end, back and shank
Answer:
tip, pointed and complex/angled

Question:
12. universal curette working end, back and shank
Answer:
toe, rounded and complex/angled

Question:
13. area specific gracey working end, back and shank
Answer:
toe, rounded and complex/angled anterior gracey- straight

Question:
14. cutting edge per sickle scaler, universal curette and gracey
Answer:
2, 2, 1

Question:
15. Internal angle of blade on a sickle, universal curette and gracey
Answer:
70-80

Question:
16. Angle formed between face of blade and the shank on a sickle
Answer:
90

Question:
17. Angle formed between face of blade and the shank on a universal curette
Answer:
90

Question:
18. Angle formed between face of blade and the shank on a gracey

, Answer:
70

Question:
19. Curettes are used for
Answer:
fine, moderate and heavy calculus supra and subgingival

Question:
20. Sickles are used for
Answer:
fine, moderate and heavy calculus supragingival

Question:
21. Graceys are used for
Answer:
fine calculus moderate(rigid design)

Question:
22. Adaptation
Answer:
the relationship between the instrument and the tooth surface during instrumentation as the instrument is
rolled between the finger and thumb

Question:
23. Correct adaptation
Answer:
placing the tip/toe-third of the leading third against the tooth

Question:
24. Activation
Answer:
making the instrument move across the surface of the tooth

Question:
25. during activation the instrument is ___________ with the tooth
Answer:
always in contact

Question:
26. types of motion activation
Answer:
wrist rocking motion and digital motion

Question:
27. Angulation