July 2021 RD
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- Question 1 of 21
1. Question
Which of the following components is found in the greatest amounts in dental amalgam?
CorrectIncorrect - Question 2 of 21
2. Question
What is the desired design of the finish line on prepared teeth for all-metal crowns?
CorrectIncorrect - Question 3 of 21
3. Question
What is the recommended thickness of luting cements?
CorrectIncorrect - Question 4 of 21
4. Question
Which material for indirect restoration has the lowest rate of survival?
CorrectIncorrect - Question 5 of 21
5. Question
How much subgingivally do you go with the band in class II restorations?
CorrectIncorrect - Question 6 of 21
6. Question
Which of the following rubber dam placement errors results in the dam pulling away from the teeth, causing leakage?
CorrectIncorrect - Question 7 of 21
7. Question
Which of the following statements regarding the gamma-2 phase of dental amalgam is incorrect?
CorrectIncorrect - Question 8 of 21
8. Question
When dealing with a deep cavity that requires a base, the recommended thickness of the base material is:
CorrectIncorrect - Question 9 of 21
9. Question
Which of the following cement types is recommended for all-ceramic restorations?
CorrectIncorrect - Question 10 of 21
10. Question
Which of the following terms describe the loss of luster from the surface of a metal or alloy due to the formation of surface coating?
CorrectIncorrect - Question 11 of 21
11. Question
The amount of daily wear of amalgam ingested in the body in μgs (micrograms):
CorrectIncorrect - Question 12 of 21
12. Question
Which of the following is an indication for type II gold?
CorrectIncorrect - Question 13 of 21
13. Question
In the so-called “zones of activity” in four-handed dentistry, the assistant’s zone for a right-handed dentist is between?
CorrectIncorrect - Question 14 of 21
14. Question
What is the best restoration for root caries?
CorrectIncorrect - Question 15 of 21
15. Question
How much zinc should dental amalgam have for it to be considered a zinc-containing alloy?
CorrectIncorrect - Question 16 of 21
16. Question
Which type of nerve fibers mediates dentinal pain?
CorrectIncorrect - Question 17 of 21
17. Question
During placement of amalgam pins, the number of pins per cusp is:
CorrectIncorrect - Question 18 of 21
18. Question
Which of the following impression materials is the most suitable for final impressions of implant positions?
CorrectIncorrect - Question 19 of 21
19. Question
A patient presented to the clinic requesting replacing a missing lower right posterior tooth with a fixed prosthesis. On examination, tooth #46 is missing while tooth #47 is mesially-tilted (30 degrees to the occlusal plane). The plan was to replace this missing tooth with a 3-unit fixed dental prosthesis. Which of the following complications would most likely affect the long-term prognosis of this prosthesis?
CorrectIncorrect - Question 20 of 21
20. Question
The conditioning time of dentin by 37% orthophosphoric or phosphoric acid is:
CorrectIncorrect - Question 21 of 21
21. Question
Which type of gold is used for cast post and core?
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