DEN180 - Review Packet Flashcards
What is the _____ part of an instrument that performs the function?
a. Working end
b. Functional end
c. Working tip
d. Upright end
a. Working end
What is another word for handle of a dental instrument?
a. Barrel
b. Shank
c. Shaft
d. Grip
c. Shaft
The outcome of tooth whitening may vary based on which factors?
a. Patient dedication to following.
b. Inherent cause of stain
c. Habits that stain teeth
d. All of the above
d. All of the above
What dental cement has the ability to chemically bond to the tooth structure?
a. ZOE
b. Glass ionomer
c. Zinc phosphate
d. Polycarboxylate
d. Polycarboxylate
What is the dental bur that adjust acrylic materials and maybe used on plaster, stone, and metal?
a. Rubber wheel
b. Laboratory
c. Fissurotomy bur
d. Finishing
b. Laboratory
What burs are rubber and are used to polish and define anatomy?
a. Points
b. Discs
c. Wheels
d. Cutting
a. Points
What are the trays used for alginate impressions called?
a. Perforated
b. Perforated and rim lock
c. Rim lock
d. None of the above
b. Perforated and rim lock
What hand piece would be used for scaling procedures and root canal therapy?
a. High speed
b. Slow speed
c. Ultrasonic handpiece
d. Laser
c. Ultrasonic handpiece
When a filling is breaking down and saliva and debris from the oral cavity gets between the tooth surface and restorative material this is called _________________.
a. Corrosion
b. Acidity
c. Solubility
d. Microleakage
d. Microleakage
Where is the patient light located in dental operatory?
a. Mounted to the ceiling
b. Attached to the dental chair
c. Both a and b
d. None of the above
c. Both a and b
Which of the elastomeric materials below has the most disadvantages?
a. Polyether
b. Polysulfide
c. Polysioxane
d. Polyvinyl solixane
b. Polysulfide
What would be difference between a universal varnish and copal varnish?
a. Copal is used only under resin restorations.
b. Universal is only used under metal restoration.
c. Universal may be used under all restorations.
d. Neither may be used under all restorations.
c. Universal may be used under all restorations.
What is the gypsum material that is used for study models, working casts and denture models?
a. Type I
b. Type IV
c. Type II
d. Type III
d. Type III
What would be the strongest gypsum product?
a. Type V
b. Type IV
c. Type II
d. Type III
a. Type V
Classify the steps in order to take a virual dental impressions:
- Pack retraction cord
- Use scanner to capture image
- Remove retraction cord
- Send scan to dental lab
a. 1, 3, 2, 4
b. 4, 1, 2, 3
c. 2, 1, 3, 4
d. 1, 2, 3, 4
d. 1, 2, 3, 4
What would be the delivery system that designed so that is can be pulled over the patient’s chest and is located between the dental assistant and dentist?
a. Side delivery system
b. Front delivery system
c. Rear delivery system
d. None of the above
b. Front delivery system
During a crown prep, what bur is used for rapid reduction of the tooth structure?
a. Diamond
b. Fissurotomy burs
c. Carbide burs
d. Finishing burs
a. Diamond
This is placed around the tooth preparation to retract the tissues around the margin area.
a. Reflective powder
b. Bonding agent
c. Etchant
d. Retraction cord
d. Retraction cord
What would be all the advantages of silicone impression materials?
a. High accuracy
b. No shrinkages
c. Dimensional stability
d. All of the above
d. All of the above
What wax would be used to hold fractures pieces together?
a. Sticky
b. Boxing
c. Base plate
d. Study
a. Sticky
Why would we place a protective liner on the walls and floor of the cavity preparation?
a. Leakage
b. Bacteria and irritants
c. Breakage
d. Galvanism
b. Bacteria and irritants
What instrument removes caries and soft dentin?
a. Explorer
b. Gingival margin trimmer
c. Spoon excavator
d. Hatchet
c. Spoon excavator
Of the following are OTC whitening products except?
a. Strips
b. Toothpaste
c. Chewing gum
d. Composite resin
d. Composite resin
What type of wax is used around trays to extend for patient comfort?
a. Study wax
b. Utility wax
c. Boxing wax
d. Sticky wax
b. Utility wax
