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FREE AND STUDY GAMES ABOUT CH43 EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -25 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: What type of restoration is made in the dental laboratory?
Answer:
indirect restorations, castings Question 2: What item is used to determine the color of composite for a procedure?
Answer:
shade guide
Question 3: What does the abbreviation IRM stand for?
Answer:
intermediate restorative material Question 4: When composite resins are light-cured, what factors might contribute to the need for a longer curing time for the material?
Answer:
manufacturer's instructions, thickness and size of the restoration, each increment is cured before the next is placed, shade of the restorative material used (darker the shade the longer the required curing time)
Question 5: What happens to a dental material when it is exposed to hot and cold?
Answer:
microleakage
Question 6: Which professional organization evaluates a new dental material?
Answer:
The Council and Dental Materials, Instruments and Equipment Question 7: What are the four properties that must be considered in the application of a dental material?
Answer:
flow, adhesion, retention and curing Question 8: What type of reaction does a dental material undergo when distortion occurs?
Answer:
stress
Question 9: Where do you dispose of amalgam scraps?
Answer:
Place noncontact, scrap amalgam in a wide-mouthed, airtight container that is marked "Noncontact Amalgam Waste for Recycling."
Question 10: What is the common term used for dimethacrylate?
Answer:
BIS-GMA
Question 11: What are some of the most common uses of glass ionomer materials?
Answer:
Used in the restorative sense such as for restorations core buildups and as sealants. Used as liners, bonding agents, and cement.
Question 12: What is a source of galvanic action?
Answer:
two different or dissimilar metals are present in the oral cavity and saliva containing salt
Question 13: How is the amalgam triturated?
Answer:
in a amalgamator
Question 14: How does an auto-cured material harden or set up?
Answer:
by a chemical reaction of two materials.
Question 15: How long would you triturate Sybraloy?
Answer:
13 seconds
Question 16: What does copper provide to an amalgam restoration?
Answer:
strength and corrosion resistance
Question 17: Would dental amalgam be placed in anterior or posterior teeth?
Answer:
posterior
Question 18: What metals make up the alloy powder in amalgam?
Answer:
silver, tin, copper, and zinc
Question 19: What could contaminate the setting of glass ionomers?
Answer:
water
Question 20: How could IRM be utilized in a pediatric practice?
Answer:
Restorative emergencies
Question 21: How many drops of monomer per tooth are recommended when acrylic resin is mixed for a provisional restoration?
Answer:
10 drops
Question 22: What material would you use to prepare for provisional coverage?
Answer:
acrylic resins Question 23: Which filler type of composite resin is recommended because of its versatility?
Answer:
macrofilled composites
Question 24: What are the three noble metals used in dentistry?
Answer:
gold (Au), palladium (Pd), platinum(Pt)
Question 25: What is the final step in finishing a composite resin?
Answer:
polishing paste applied to a rubber cup