PA EFDA Board Exam || Most Recent Exam 2026-2027 Actual
Complete Real Exam Questions And Correct Answers
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Polishing does NOT improve the uptake of professionally applied FL2
therefore polishing is _________ before FL2 application - ANSWER-
NOT NECESSARY
Exogenous stains are caused by environmental sources and are
classified in to
subdivisions including: - ANSWER-Intrinsic and
Extrinsic stains
Which is an example of an endodgenous stain? - ANSWER-an
excessive amount of
fluoride during development of
the tooth
What polishing paste is recommended for use on filled hybrid
composite restoration? -
ANSWER-Aluminum
oxide
An Oral Prophy includes - ANSWER-Removal of calculus and debris
,Extrinsic/Exogenous stain - ANSWER-A stain that may be removed
from the surface of
the teeth(food and
drink)
Intrinsic/Endogenous stain - ANSWER-A stain that cannot be removed
for the surface of
the teeth(smoking,tobacco,dental
amalgam)
Which is the most common technique for stain removal? -
ANSWER-Rubber cup
polishing
What damage can result for using the prophy angle at a high
speed? - ANSWER-it can
cause frictional heat that can burn the gingiva and
damage the tooth
HEIGHT OF CONTOUR on the facial surface of a posterior tooth is -
ANSWER-at the
Cervical
third
Slow flow or movement of amalgam - ANSWER-Creep
Carious lesions located on the proximal surfaces of molars and
premolars - ANSWER-
, class
II
Carious lesions located on the proximal surfaces of central and
lateral incisors -
ANSWER-
class III
Cavosurface margins should be check with - ANSWER-an explorer
A wedge is used for what class of amalgam restoration? - ANSWER-
class II
Where should you begin restoring a class II prep? - ANSWER-along
the gingival floor
walls of a class II cavity prep - ANSWER-mesial, distal, buccal, lingual,
axial, gingival
The addition of which metal to the dental alloy will reduce gamma
phase? - ANSWER-
Copper
When placing a tofflemire retainer you place the wedge from what
surface? - ANSWER-
the
lingual
2 metals in gammaphase - ANSWER-Mercury and Tin
Complete Real Exam Questions And Correct Answers
(Verified Answers) Already Graded A+ | Guaranteed
Success!! Brand New Exam | Just Released!!
Polishing does NOT improve the uptake of professionally applied FL2
therefore polishing is _________ before FL2 application - ANSWER-
NOT NECESSARY
Exogenous stains are caused by environmental sources and are
classified in to
subdivisions including: - ANSWER-Intrinsic and
Extrinsic stains
Which is an example of an endodgenous stain? - ANSWER-an
excessive amount of
fluoride during development of
the tooth
What polishing paste is recommended for use on filled hybrid
composite restoration? -
ANSWER-Aluminum
oxide
An Oral Prophy includes - ANSWER-Removal of calculus and debris
,Extrinsic/Exogenous stain - ANSWER-A stain that may be removed
from the surface of
the teeth(food and
drink)
Intrinsic/Endogenous stain - ANSWER-A stain that cannot be removed
for the surface of
the teeth(smoking,tobacco,dental
amalgam)
Which is the most common technique for stain removal? -
ANSWER-Rubber cup
polishing
What damage can result for using the prophy angle at a high
speed? - ANSWER-it can
cause frictional heat that can burn the gingiva and
damage the tooth
HEIGHT OF CONTOUR on the facial surface of a posterior tooth is -
ANSWER-at the
Cervical
third
Slow flow or movement of amalgam - ANSWER-Creep
Carious lesions located on the proximal surfaces of molars and
premolars - ANSWER-
, class
II
Carious lesions located on the proximal surfaces of central and
lateral incisors -
ANSWER-
class III
Cavosurface margins should be check with - ANSWER-an explorer
A wedge is used for what class of amalgam restoration? - ANSWER-
class II
Where should you begin restoring a class II prep? - ANSWER-along
the gingival floor
walls of a class II cavity prep - ANSWER-mesial, distal, buccal, lingual,
axial, gingival
The addition of which metal to the dental alloy will reduce gamma
phase? - ANSWER-
Copper
When placing a tofflemire retainer you place the wedge from what
surface? - ANSWER-
the
lingual
2 metals in gammaphase - ANSWER-Mercury and Tin
