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FREE AND STUDY GAMES ABOUT DEN200 EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -67 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: which of the following is an advantage to using glass ionomer as a restorative material?
Answer:
Glass ionomer releases fluoride after their final setting
Question 2: Ideally, composite resin shades should be chosen in
Answer:
daylight Question 3: The type of ceramic most often used in dentistry for castings is:
Answer:
porcelain Question 4: Retention holds a material in place and seals the structures together.
Answer:
false
Question 5: Pushing two objects against each other with an axis of rotation is an example of _____ stress.
Answer:
shear Question 6: all of the following are advantages of amalgam over composite as a restorative material except
Answer:
esthetics Question 7: Single-spill capsules of dental amalgam:
Answer:
should be discarded immediately after use Question 8: A temporary restorative material should be selected to restore a tooth that has
Answer:
Sensitivity Question 9: All of the following are true statements about in-office tooth whitening except
Answer:
requires multiple treatments Question 10: All of the following are steps in finishing a composite restoration except
Answer:
burnisher
Question 11: _____ is added to dental amalgam alloy powder for strength
Answer:
copper Question 12: One of the fastest and most cost-effective ways to restoring the esthetic
appearance of teeth is:
Answer:
Bleaching
Question 13: The purpose of packing the amalgam in the cavity preparation is to ______ it.
Answer:
condense
Question 14: ____ occurs when a metal restoration is touched by a fork
Answer:
galvanic action
Question 15: A dental liner is placed
Answer:
in the deepest area of the tooth preparation Question 16: One difference in the cavity preparation of amalgam versus composite is that:
Answer:
composites require the use of a bonding system Question 17: the resin matrix component of composite is dimethacrylate, a fluid-like material also referred to as BIS-GMA
Answer:
true Question 18: A porcelain casting is chosen over metal castings because of each of the following except that it
Answer:
has a high thermal coefficient of expansion
Question 19: the terms restorative describes the ability to
Answer:
remove disease and restore function Question 20: The addition of _____ alloy to glass ionomers produces a product that can be used for core buildups and the repair of fractured cusps and amalgam fillings as well as abutments for overdentures
Answer:
silver-tin
Question 21: The process of setting of a material is correctly referred to as:
Answer:
curing Question 22: Mixing alloy and mercury together to form a mass is called:
Answer:
Amalgamation and trituration Question 23: which of the following correctly lists the different restorative materials from weak to strong
Answer:
composite resin, silver amalgam, gold alloy
Question 24: etchant removes the smear layer in preparation for bonding
Answer:
true Question 25: Insulating base material should cover the entire ____ to a thickness of ____ mm.
Answer:
pulpal floor 1 to 2 Question 26: The instrument used to smooth the amalgam surface is:
Answer:
a burnisher Question 27: which of the following typers of composite resins is most often used today
Answer:
hybrid
Question 28: Intermediate restorative material (IRM) is a
Answer:
Zinc oxide-eugenol cement