Answers
34. B. Exothermic
35. B. Three
36. C. 24
37. D. Wedge
38. A. Loading Coil
39. C. weaker, slower-setting stone.
40. A. Light cure
41. B. Silver
42. C. N2O
43. C. a model trimmer.
44. A. Carver
45. A. Gram-negative bacteria
46. D. Nitrous oxide
47. D. rigid-bodied.
48. C. Useful with the handicapped
49. B. thickness.
50. B. lost wax process.
Explanation:
34. Most cements are mixed on a polycoated mix pad. What property of zinc phosphates requires that they be mixed on a glass slab?
B. Exothermic
35. How many planes of analgesia are there in the administration of nitrous oxide?
B. Three
36. When a custom tray is fabricated from self-cure acrylic resin, the tray must sit for _______ hours after fabrication before it should be used.
C. 24
37. What item is used to hold the matrix band in contact with the interproximal area of the preparation?
D. Wedge
38. Which of the following is not part of the anesthetic syringe?
A. Loading coil
39. Adding more water than recommended to mix dental stone will lead to a
C. weaker, slower-setting stone.
40. Which of these restoratives would need to be placed in 2.5 mm increments?
A. Light cure
41. Which of these materials is not used as a filler in composites?
B. Silver
42. Which of the following is another way to write the term nitrous oxide?
C. N2O
43. The base of a dental cast is trimmed using.
C. a model trimmer.
44. Which of these instruments is used to create the anatomy in an amalgam restoration?
A. Carver
45. Which of the following agents are resistant to antibiotics?
A. Gram-negative bacteria
46. Which of the following is the most commonly used inhalational agent in dentistry?
D. Nitrous oxid
47. All the following are viscosities that are provided with polyvinylsiloxanes, except
D. rigid-bodied.
48. Which of the following is not an advantage in administering nitrous oxide?
C. Useful with the handicapped
49. The gauge of a needle is defined by its
B. thickness.
50. Vacuum molding can be used for all the following techniques, except
B. lost wax process.
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