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NDAEB 3.9 Dental Instruments and Equipment Part 2

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Question 1 of 32

1. Question

Category: 3. Clinical Support Procedures
For which of the following you would not use the dental lathe?
- Polishing a cast crown
- Polishing a provisional crown
- Contouring a custom tray
- Polishing removable appliances
Correct

Incorrect
Question 2 of 32

2. Question

Category: 3. Clinical Support Procedures
Which instrument would you choose to remove soft, carious decay from a tooth?(RQ)
- Spoon excavator
- T-ball burnisher
- Osteotome
- Gingival probe
Correct

Incorrect
Question 3 of 32

3. Question

Category: 3. Clinical Support Procedures
For which of the following procedures would you choose a diamond bur wheel?
- Creating a beveled subgingival margin during crown preparation
- Reducing the lingual aspect of the anterior teeth during crown preparation
- Contouring the gingiva
- Contouring the alveolar bone
Correct

Incorrect
Question 4 of 32

4. Question

Category: 3. Clinical Support Procedures
Which of the following is the LARGEST size of tapered fissure straight bur?
- 169
- 172
- 39
- 60
Correct

Incorrect
Question 5 of 32

5. Question

Category: 3. Clinical Support Procedures
An L following the number indicating the size of a bur indicates which of the following?
- It should be used on the left side of the mouth only
- It should be used by a left-handed operator only
- It has a longer shank
- It has a longer head
Correct

Incorrect
Question 6 of 32

6. Question

Category: 3. Clinical Support Procedures
Elevators are used for all but which of the following?
- To loosen teeth
- To remove retained roots
- To remove necrotic tissue
- To loosen root fragments
Correct

Incorrect
Question 7 of 32

7. Question

Category: 3. Clinical Support Procedures
For which of the following procedures would you choose a pear bur?
- Opening a tooth for treatment
- Smoothing the alveolar bone
- Opening and extending the cavity preparation
- Forming the cavity walls of the preparation
Correct

Incorrect
Question 8 of 32

8. Question

Category: 3. Clinical Support Procedures
Which of the following is not true of the Wedelstaedt chisel?
- It is used in Class I cavity preparations
- It is slightly curved
- It is used to plane enamel
- It is used in Class IV cavity preparation
Correct

Incorrect
Question 9 of 32

9. Question

Category: 3. Clinical Support Procedures
When performing surgical bur exchange, where should the operator hold the handpiece?
- Over the patient\\\’s chest
- Over the patient\\\’s chin
- Over the patient\\\’s forehead
- Behind the patient\\\’s head
Correct

Incorrect
Question 10 of 32

10. Question

Category: NDAEB Mock Exam
Which of the following instruments would you choose to trim a provisional crown before it is placed?
- High-speed handpiece
- Low-speed handpiece
- Laboratory handpiece
- Interproximal knife
Correct

Incorrect
Question 11 of 32

11. Question

Category: 3. Clinical Support Procedures
The slow-speed handpiece should operate at which speed?
- 50,0000 rpm
- 20,000 rpm
- 2,000 rpm
- 1,000 rpm
Correct

Incorrect
Question 12 of 32

12. Question

Category: 3. Clinical Support Procedures
You are preparing an instrument tray for an amalgam procedure. Which of the following is not part of the instruments and materials needed?
- Burs
- Excavators
- Mixing pad
- Surgical knife
Correct

Incorrect
Question 13 of 32

13. Question

Category: 3. Clinical Support Procedures
The laboratory handpiece can be used to do all but which of the following?
- Clean dental instruments after use
- Contour provisional crowns
- Polish dentures
- Smooth permanent bridges
Correct

Incorrect
Question 14 of 32

14. Question

Category: 3. Clinical Support Procedures
Which of the following instruments would you choose to smooth amalgam after placement?
- T-ball burnisher
- Acorn burnisher
- Football burnisher
- Beavertail burnisher
Correct

Incorrect
Question 15 of 32

15. Question

Category: 3. Clinical Support Procedures
For which of the following procedures would you choose a file?
- To remove necrotic tissue
- To pack amalgam into a preparation
- To smooth the top of a restoration
- To smooth the external walls of a cavity
Correct

Incorrect
Question 16 of 32

16. Question

Category: 3. Clinical Support Procedures
For which of the following procedures would you choose an end-cutting bur?
- Trimming excess filling material from a preparation
- Forming the shoulders of a crown preparation
- Opening a tooth for endontic treatment
- Extending the cavity preparation
Correct

Incorrect
Question 17 of 32

17. Question

Category: 3. Clinical Support Procedures
When do instruments not require being presoaked?
- With automated cleaning
- Before sterilization
- With manual cleaning
- After sterilization
Correct

Incorrect
Question 18 of 32

18. Question

Category: 3. Clinical Support Procedures
Which of the following instruments would an operator use to smooth the gingival floor of a cavity prior to filling it?
- Hoe
- Spatula
- Gingival margin trimmer
- Scaler
Correct

Incorrect
Question 19 of 32

19. Question

Category: 3. Clinical Support Procedures
When is it acceptable to store soiled and clean instruments in the same cabinet?
- When the soiled instruments will not be with the clean instruments for more than one hour
- Never
- When the soiled instruments will not be with the clean instruments for more than three hours
- When the soiled instruments will not be with the clean instruments for more than five hours
Correct

Incorrect
Question 20 of 32

20. Question

Category: 3. Clinical Support Procedures
An L after the size number of an inverted cone bur indicates which of the following?
- The shank of the instrument is longer than typical
- The instrument should only be used by a left handed operator
- The instrument should only be used on the left side of the mouth
- The head of the instrument is longer than typical
Correct

Incorrect
Question 21 of 32

21. Question

Category: 3. Clinical Support Procedures
The cleoid discoid carver may be used to do which of the following?
- Shape matrix bands
- Carve occlusal anatomy
- Carve interproximal anatomy
- Begin carving of an amalgam restoration
Correct

Incorrect
Question 22 of 32

22. Question

Category: 3. Clinical Support Procedures
Which of the following is not one of the types of dental equipment delivery systems?
- Top delivery
- Rear delivery
- Front delivery
- Side delivery
Correct

Incorrect
Question 23 of 32

23. Question

Category: 3. Clinical Support Procedures
Anna, a new assistant, is being trained by the lead dental assistant on items requiring surface cleaning and disinfection in the operatory. Which items will not require surface cleaning?
- Dental chair
- Dental handpiece unit
- Suction hoses and handle
- Dental explorer or probes
Correct

Incorrect
Question 24 of 32

24. Question

Category: 3. Clinical Support Procedures
For which of the following procedures would you choose a straight chisel?
- To carve the interproximal surfaces of a restoration
- To shape and plane the enamel of the cavity preparation
- To remove supragingival calculus
- To determine how far below the gingiva the calculus extends
Correct

Incorrect
Question 25 of 32

25. Question

Category: 3. Clinical Support Procedures
Which of the following instruments would you choose to remove excess tissue and shape soft tissue?
- Periodontal scissors
- Periodontal file
- Periodontal knife
- Rongeurs
Correct

Incorrect
Question 26 of 32

26. Question

Category: 3. Clinical Support Procedures
The double ended instrument which has a condenser on one end and a blade on the other, and which is used to pass materials during cavity preparation, is known as which of the following?
- Spoon excavator
- Hoe
- Woodson carver
- Cleoid discoid instrument
Correct

Incorrect
Question 27 of 32

27. Question

Category: 3. Clinical Support Procedures
Which of the following is not used to carve occlusal anatomy?(RQ)
- T-3 carver
- Gold finishing knife
- Frahm carver
- Tanner carver
Correct

Incorrect
Question 28 of 32

28. Question

Category: 3. Clinical Support Procedures
All but which of the following should be arranged along the top of an amalgam instrument tray?
- Burs in the bur block
- Amalgam well
- Amalgam carrier
- Cotton rolls
Correct

Incorrect
Question 29 of 32

29. Question

Category: 3. Clinical Support Procedures
A surgical bur is an appropriate instrument choice for which of the following?(RQ)
- Reducing the alveolar bone
- Widening the root canal orifice
- Making incisions in soft tissue
- Contouring the gingiva
Correct

Incorrect
Question 30 of 32

30. Question

Category: 3. Clinical Support Procedures
For which of the following procedures would you use a hatchet?(RQ)
- To smooth the floor of a cavity restoration
- To remove carious material
- To refine cavity walls
- To plane enamel
Correct

Incorrect
Question 31 of 32

31. Question

Category: 3. Clinical Support Procedures
Which of the following instruments would you choose to trim the alveolar bone after surgery?
- File
- Gold finishing knife
- Surgical curette
- Rongeurs
Correct

Incorrect
Question 32 of 32

32. Question

Category: 3. Clinical Support Procedures
The word armamentarium refers to?
- Equipment
- Drugs
- Treatment
- Diagnosis
Correct

Incorrect