PA EFDA Board Final Exam 2025/2026 Graded A+
Comprehensive Prep Guide with the Latest Questions!
12-14 inches - What is the distance recommended between the operators face to the patient's face?
True - It is not necessary to cure chemical/self cured sealant material.
Prep or area of operation - The best place to fulcrum ideally, is as close as possible to the
____________?
Operator Error - What is the most common reason for sealant failure?
Small glass particles and Bis-GMA - What is a common component of resin based pit and fissure
sealants?
Mechanical Retention - What method of retention is used to adhere a sealant to enamel?
Glass, quartz, porcelain -silica - Filled sealants could contain what?
Wash/dry/reetch 10 sec./wash/dry - If the etched surface becomes contaminated what should the
EFDA do?
Operator / patient - The comfort of the ______________ is primary to the _____________
positioning
Voids/ mercury - Adequate condensation pressure will strengthen the final restoration by
Eliminating _____
Reducing excess _________
And decreasing expansion
fulcrum - What must you as the operator consider prior to using an instrument?
Grasp
__________?
,Adaptation
Activation
Creep - ____________ is the slow flow or movement of a material under compressive forces over a
period of time.
Carver - The discoid- cleoid instrument is an example of a ____________
Parallel - Proper sitting for the operator is for thighs to be _____________ to the floor
0.2 mm - If the submarginal area is greater than _____ mm, the amalgam must be removed and
replaced.
.5 to 1 mm - How far should we overfill a restoration?
Pain - Dental pulp is a sensory mechanism that through nerve fibers mediate the sensation of
_________
Occlusal - Class I and Class II usually involve the _____________ surface
Overhang / flash - If your explorer catches when moving from the tooth to the restoration, you have
an _______________ or _____________
submarginal - If your explorer catches when moving from the restoration to the tooth you have a
____________ area
maxillary - The oblique ridge can be found on 1st and 2nd ______________ molars
dentin - Odontoblasts are responsible for building ___________
The modified pen grasp - What instrument grasp gives you the greatest control during EFDA
procedures?
, CEJ/ cervical area - The best position for the clamp on the anchor tooth is at the ________________
zinc - What component in amalgam prevents oxidation during manufacturing?
developmental - Pit and fissure caries usually develops from incomplete fusion of enamel during
_______________ stage
Below the chin - Where is the transfer zone for passing instruments in four handed dentistry is
immediately __________ _____ _________.
ergonomics - The science that studies the relationship of people to their working environment is
called ___________
Submargin / undercontoured - What is most likely to happen if you have overcarved?
Jaws - The parts of a gingival retractor are:
2 bows
2 ________
4 notches
septum - In order to remove a dental dam on #18 thru #22, you must first cut the ____________
11 to 12 o'clock - What position / zone can most procedures be performed by a right handed
operator?
41/#25 - The FDI numeration for the lower right central incisor is _______
The Universal # for this tooth is ______
copper - Increasing the amount of ___________ in the alloy can reduce Gamma II and Creep
smooth - The burnisher is designed to ___________ the amalgam at the cavosurface margins
Comprehensive Prep Guide with the Latest Questions!
12-14 inches - What is the distance recommended between the operators face to the patient's face?
True - It is not necessary to cure chemical/self cured sealant material.
Prep or area of operation - The best place to fulcrum ideally, is as close as possible to the
____________?
Operator Error - What is the most common reason for sealant failure?
Small glass particles and Bis-GMA - What is a common component of resin based pit and fissure
sealants?
Mechanical Retention - What method of retention is used to adhere a sealant to enamel?
Glass, quartz, porcelain -silica - Filled sealants could contain what?
Wash/dry/reetch 10 sec./wash/dry - If the etched surface becomes contaminated what should the
EFDA do?
Operator / patient - The comfort of the ______________ is primary to the _____________
positioning
Voids/ mercury - Adequate condensation pressure will strengthen the final restoration by
Eliminating _____
Reducing excess _________
And decreasing expansion
fulcrum - What must you as the operator consider prior to using an instrument?
Grasp
__________?
,Adaptation
Activation
Creep - ____________ is the slow flow or movement of a material under compressive forces over a
period of time.
Carver - The discoid- cleoid instrument is an example of a ____________
Parallel - Proper sitting for the operator is for thighs to be _____________ to the floor
0.2 mm - If the submarginal area is greater than _____ mm, the amalgam must be removed and
replaced.
.5 to 1 mm - How far should we overfill a restoration?
Pain - Dental pulp is a sensory mechanism that through nerve fibers mediate the sensation of
_________
Occlusal - Class I and Class II usually involve the _____________ surface
Overhang / flash - If your explorer catches when moving from the tooth to the restoration, you have
an _______________ or _____________
submarginal - If your explorer catches when moving from the restoration to the tooth you have a
____________ area
maxillary - The oblique ridge can be found on 1st and 2nd ______________ molars
dentin - Odontoblasts are responsible for building ___________
The modified pen grasp - What instrument grasp gives you the greatest control during EFDA
procedures?
, CEJ/ cervical area - The best position for the clamp on the anchor tooth is at the ________________
zinc - What component in amalgam prevents oxidation during manufacturing?
developmental - Pit and fissure caries usually develops from incomplete fusion of enamel during
_______________ stage
Below the chin - Where is the transfer zone for passing instruments in four handed dentistry is
immediately __________ _____ _________.
ergonomics - The science that studies the relationship of people to their working environment is
called ___________
Submargin / undercontoured - What is most likely to happen if you have overcarved?
Jaws - The parts of a gingival retractor are:
2 bows
2 ________
4 notches
septum - In order to remove a dental dam on #18 thru #22, you must first cut the ____________
11 to 12 o'clock - What position / zone can most procedures be performed by a right handed
operator?
41/#25 - The FDI numeration for the lower right central incisor is _______
The Universal # for this tooth is ______
copper - Increasing the amount of ___________ in the alloy can reduce Gamma II and Creep
smooth - The burnisher is designed to ___________ the amalgam at the cavosurface margins
