PA EFDA BOARD EXAM 2025
PA EFDA BOARD EXAM 2025 SPRING
VERIFIED PREP QUESTIONS AND
ANSWERS GRADED A+
To prevent post-op sensitivity the EFDA should apply what as the first
increment in a class II prep
flowable
The sequence for finishing and polishing a composite
finishing bur, coarse, medium, fine discs, polishing paste
Primer must be dispensed immediately to prevent
evaporation
,PA EFDA BOARD EXAM 2025
Coronal polishing
Removing plaque and stains from coronal surfaces of teeth
Polishing does NOT improve the uptake of professionally applied FL2
therefore polishing is _________ before FL2 application
NOT NECESSARY
Exogenous stains are caused by environmental sources and are classified
in to subdivisions including:
Intrinsic and Extrinsic stains
Which is an example of an endodgenous stain?
an excessive amount of fluoride during development of the tooth
What polishing paste is recommended for use on filled hybrid composite
restoration?
Aluminum oxide
,PA EFDA BOARD EXAM 2025
An Oral Prophy includes
Removal of calculus and debris
Extrinsic/Exogenous stain
A stain that may be removed from the surface of the teeth(food and
drink)
Intrinsic/Endogenous stain
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?
Rubber cup polishing
What damage can result for using the prophy angle at a high speed?
it can cause frictional heat that can burn the gingiva and damage the
tooth
, PA EFDA BOARD EXAM 2025
HEIGHT OF CONTOUR on the facial surface of a posterior tooth is
at the Cervical third
Slow flow or movement of amalgam
Creep
Carious lesions located on the proximal surfaces of molars and
premolars
class II
Carious lesions located on the proximal surfaces of central and lateral
incisors
class III
Cavosurface margins should be check with
PA EFDA BOARD EXAM 2025 SPRING
VERIFIED PREP QUESTIONS AND
ANSWERS GRADED A+
To prevent post-op sensitivity the EFDA should apply what as the first
increment in a class II prep
flowable
The sequence for finishing and polishing a composite
finishing bur, coarse, medium, fine discs, polishing paste
Primer must be dispensed immediately to prevent
evaporation
,PA EFDA BOARD EXAM 2025
Coronal polishing
Removing plaque and stains from coronal surfaces of teeth
Polishing does NOT improve the uptake of professionally applied FL2
therefore polishing is _________ before FL2 application
NOT NECESSARY
Exogenous stains are caused by environmental sources and are classified
in to subdivisions including:
Intrinsic and Extrinsic stains
Which is an example of an endodgenous stain?
an excessive amount of fluoride during development of the tooth
What polishing paste is recommended for use on filled hybrid composite
restoration?
Aluminum oxide
,PA EFDA BOARD EXAM 2025
An Oral Prophy includes
Removal of calculus and debris
Extrinsic/Exogenous stain
A stain that may be removed from the surface of the teeth(food and
drink)
Intrinsic/Endogenous stain
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?
Rubber cup polishing
What damage can result for using the prophy angle at a high speed?
it can cause frictional heat that can burn the gingiva and damage the
tooth
, PA EFDA BOARD EXAM 2025
HEIGHT OF CONTOUR on the facial surface of a posterior tooth is
at the Cervical third
Slow flow or movement of amalgam
Creep
Carious lesions located on the proximal surfaces of molars and
premolars
class II
Carious lesions located on the proximal surfaces of central and lateral
incisors
class III
Cavosurface margins should be check with
