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EFDA Board questions and answers rated A+ 2024/2025
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EFDA Board questions and answers rated A+ 2024/2025
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EFDA BoardC. Enamel - ANSWhich of the following is the hardest tissue inside the frame?
A. Bone
B. Cementum
C. Enamel
D. Dentin
B. Inorganic - ANSEnamel is ninety five-ninety six%
A. Organic
B. Inorganic
C. Perform a healing intraoral adjustment of a fixed bridge - ANSWhich of the subsequent is not
a legal responsibility for an EFDA in Ohio?
A. Place remedy in pulp chambers of a teeth with a devital pulp.
B. Place and remove surgical dressings.
C. Perform a healing intraoral adjustment of a set bridge
D. Elect the coloration for the fabrication of a porcelain veneer crown.
B. MN 2d premolar - ANSNam ether premolar maximum probable to have there cusps:
A. MN first premolar
B. MN 2nd premolar
C. MX first premolar
D. MX 2d premolar
B. Within dentin for stepped forward retention - ANSPins can be used in the course of the
location of a huge recuperation. Where and why are pins positioned?
A. Within enamel for advanced retention
B. Within dentin for progressed retention
C. Within teeth for increased esthetics
D. Within dentin and tooth, for advanced retention
B. Decreased creep - ANSSome amalgam brands are considered to have excessive copper
content. What will be the benefit of this type of amalgam?
A. Increase in gamma II segment
B. Decreased creep
C. Increased corrosion
D. Decreased not on time growth
F. All of the above - ANSHigh copper amalgam content results in:
A. Increased strength
B. Decreased corrosion
,C. Decreased creep
D. Decreased gamma II
E. Only A and D
F. All of the above
A. Large filler particles for expanded power
Conventional=Macrofilled - ANSComposites which might be considered to be conventional have
what sorts of traits?
A. Large filler debris for multiplied power
B. Small filler particles for accelerated polishability
C. Best type of composite for anterior restorations
D. Include nano fill and micro crammed particles
C. In the center to occlusal 0.33 - ANSWhere is the contact of posterior tooth located when
viewing from the buccal?
A. Just buccal to the midline
B. Just lingual to the midline
C. In the center to occlusal 1/3
D. In the middle to gingival third
C. Choose the composite shade, area the rubber dam, vicinity the mylar strip - ANSChoose the
ideal order of steps while setting a category III composite with a rubber dam:
A. Place the rubber dam, select the composite color, area a mylar strip
B. Choose the composite color, place the mylar strip, location the rubber dam
C. Choose the composite coloration, location the rubber dam, place the mylar strip
D. Place the rubber dam, region a mylar strip, select the composite shade.
A. Before - ANSMylar strips are located __________ acid etch.
A. Before
B. After
A. The plural ground is prepared at best depth - ANSWhich of the following is a state of affairs
where a liner and/or base would not be indicated for a class II restoration?
A. The plural ground is ready at perfect depth
B. The axial wall is concave due to the removal of massive decay
C. There is a close to pulp exposure
D. The gingival ground is subgingival
B. Unaffected with the aid of moisture when setting - ANSAll of the subsequent are traits of
glass ionomers except:
A. Chemically bonds to dentin
B. Unaffected via moisture whilst putting
C. Releases fluoride
, D. Used as a cement, base, liner or everlasting healing
D. To prevent swallowing or aspiration of the clamp - ANSWhen the usage of a clamp for
retraction, why should a floss ligature be tied to it?
A. To use to check the touch of the healing you are setting
B. To upload in the placement and elimination of the clamp
C. To prevent breakage of the clamp
D. To save you swallowing or aspiration of the clamp
C. Percolation - ANSAn open margin on a recovery may want to bring about which of the
subsequent?
A. Polymerization
B. Dessication
C. Percolation
D. Condensation
B. Dessication - ANSWhich of the following is over drying of dentin?
A. Polymerization
B. Dessication
C. Percolation
D. Condensation
B. During carving - ANSWhen is the mercury wealthy layer of the amalgam known as plash
removed?
A. During trituration
B. During carving
C. During end and varnish
D. It ought to not be removed
B. False - ANSPlash consequences in a more potent amalgam.
A. True
B. False
C. 50-fifty five%
half mercury, half alloy powder - ANSMost amalgam consists of what precent of mercury?
A. Under 30%
B. 30-forty%
C. 50-55%
D. Over seventy one%
B. Dry and crumbly - ANSWhat will the amalgam look like if the tablet did no longer comprise
enough mercury to mix with the powder alloy?
A. Wet and bright
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