C. Enamel - ANSWER Which of the following is the hardest tissue in the body?
A. Bone
B. Cementum
C. Enamel
D. Dentin
B. Inorganic - ANSWER Enamel is 95-96%
A. Organic
B. Inorganic
C. Perform a therapeutic intraoral adjustment of a fixed bridge - ANSWER Which of the following is not a le...
EFDA Board Questions
& ANSWERS(RATED A)
C. Enamel - ANSWER Which of the following is the hardest tissue in the body?
A. Bone
B. Cementum
C. Enamel
D. Dentin
B. Inorganic - ANSWER Enamel is 95-96%
A. Organic
B. Inorganic
C. Perform a therapeutic intraoral adjustment of a fixed bridge - ANSWER Which of the following is not a
legal duty for an EFDA in Ohio?
A. Place medication in pulp chambers of a tooth with a devital pulp.
B. Place and remove surgical dressings.
C. Perform a therapeutic intraoral adjustment of a fixed bridge
D. Elect the shade for the fabrication of a porcelain veneer crown.
B. MN second premolar - ANSWER Nam ether premolar most likely to have there cusps:
A. MN first premolar
B. MN second premolar
C. MX first premolar
D. MX second premolar
,B. Within dentin for improved retention - ANSWER Pins can be used during the placement of a large
restoration. Where and why are pins placed?
A. within enamel for improved retention
B. Within dentin for improved retention
C. Within enamel for increased esthetics
D. Within dentin and enamel, for improved retention
B
C. Choose the composite shade, place the rubber dam, place the mylar strip - ANSWER Choose the
correct order of steps when placing a class III composite with a rubber dam:
A. Place the rubber dam, choose the composite shade, place a mylar strip
B. Choose the composite shade, place the mylar strip, place the rubber dam
C. Choose the composite shade, place the rubber dam, place the mylar strip
D. Place the rubber dam, place a mylar strip, choose the composite shade.
A. Before - ANSWER Mylar strips are placed __________ acid etch.
A. Before
B. After
A. The plural floor is prepared at ideal depth - ANSWER Which of the following is a situation where a
liner and/or base would not be indicated for a class II restoration?
A. The plural floor is prepared at ideal depth
B. The axial wall is concave due to the removal of extensive decay
C. There is a near pulp exposure
D. The gingival floor is subgingival
B. Unaffected by moisture when placing - ANSWER All of the following are characteristics of glass
ionomers except:
, A. Chemically bonds to dentin
B. Unaffected by moisture when placing
C. Releases fluoride
D. Used as a cement, base, liner or permanent restoration
D. To prevent swallowing or aspiration of the clamp - ANSWER When using a clamp for retraction, why
should a floss ligature be tied to it?
A. To use to check the contact of the restoration you are placing
B. To add in the placement and removal of the clamp
C. To prevent breakage of the clamp
D. To prevent swallowing or aspiration of the clamp
C. Percolation - ANSWER An open margin on a restoration could result in which of the following?
A. Polymerization
B. Dessication
C. Percolation
D. Condensation
B. Dessication - ANSWER Which of the following is over drying of dentin?
A. Polymerization
B. Dessication
C. Percolation
D. Condensation
B. During carving - ANSWER When is the mercury rich layer of the amalgam called plash removed?
A. During trituration
B. During carving
C. During finish and polish
D. It should not be removed
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