PA EFDA BOARD EXAM 2024
ACTUAL EXAM 2 VERSIONS WITH
DETAILED VERIFIED ANSWERS
(100% CORRECT ANSWERS)
/ALREADY GRADED A+
VERSION A
On a patient with ideal tooth alignment, which
embrasure will you attempt to place the wedge for a
class II MO amalgam restoration?
A. Buccal embrasure
B. Lingual embrasure
C. Occlusal embrasure
D. Place a wedge in both the buccal and lingual
embrasure for the best seal - ....ANSWER...B. Lingual
embrasure
Regarding the placement of a large Class IV
composite restoration, which statement is true?
,A. The curing wand should be close enough to touch
the restoration
B. This composite restoration should be cured only
from the lingual
C. Using a mylar strip provides the most ideal
surface smoothness
D. If the tooth is contaminated with saliva, clean by
re-teching for 30 seconds - ....ANSWER...C. Using a
mylar strip provides the most ideal surface
smoothness
Which anatomical feature would not be placed in a
MOD on tooth 29?
A. Central pit
B. Central groove
C. Marginal ridge
D. Transverse ridge - ....ANSWER...A. Central pit
Which of the following statements describes the
desired occlusion when restoring a class II
amalgam?
A. The patient can distinctly feel the new restoration
in centric occlusion
,B. Premature contacts occur in lateral extrusive
occlusion
C. The amalgam is just slightly out of occlusion
D. The amalgam has articulating paper marks that
are equal to those of adjacent tooth structure -
....ANSWER...D. The amalgam has articulating paper
marks that are equal to those of adjacent tooth
structur
Which of the following is a reason for finishing and
polishing amalgam restorations?
A. The process results in a restoration that is more
plaque retentive
B. The process can increase corrosion
C. The process can contribute to periodontal health
by removing overhangs
D. The process can decrease marginal integrity -
....ANSWER...C. The process can contribute to
periodontal health by removing overhangs
What is true about a modified preparation for an
anterior composite restoration?
A. The prepared walls for a 90 degree angle with the
uncut tooth
, B. The prepared walls for a 45 degree bevel with he
uncut tooth
C. The bevel reduces the number of rods for enamel
etching and retention.
D. The 90 degree bevel provides an esthetic blending
from unprepared tooth to restoration -
....ANSWER...B. The prepared walls for a 45 degree
bevel with he uncut tooth
Your class V composite restoration is over
contoured. Which would not be recommended to
contour the anatomy properly?
A. Sandpaper disks
B. Football bur
C. Flame bur
D. ET9 bur - ....ANSWER...B. Football bur
Which acid etchant is used for glass ionomer
restorations and for what length of time?
A. Phosphoric acid for 30-60 seconds
B. Polyacrylic acid for 30-60 seconds
C. Phosphoric acid for 15-30 seconds
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