Ohio efda board prep hottle book with
correct answers 100% 2025
For maxillary teeth what position should the patient be in - Correct AnswerSupine
what is the most common grasp - Correct AnswerThe pen grasp and the modified pen
grasp
how to stabilize the rubber dam - Correct Answerligating the tooth farthest from the
clamped tooth
what are bases and liners used for - Correct Answerbases and liners are used to protect
the pulp or to aid in its recovery, or both.
What is pulpitis? - Correct AnswerInflammation of the pulp
A minimal depth restoration - Correct Answerextends about 0.5mm- 1.5mm into dentin
moderate depth - Correct Answer1mm into dentin, but more than 0.5mm from the pulp
Near pulpal exposure - Correct Answerless than 0.5mm away from the pulp
what is the criteria for a cavity varnish - Correct Answerused to protect the pulp from
being adversely affected by materials
normal bond strength for glass ionomer is greater than of zinc phosphate - Correct
Answertrue
Silver - Correct Answer41% - 71% combines easily with mercury
copper - Correct Answerlower copper; less than 9% high copper; 12-30%. Decrease
expansion ( creep) less marginal breakdown
Tin - Correct Answer15-30% aids in combining the mercury with the alloy
zinc - Correct Answer0-1% prevents oxidation during the manufacturing process
reduces brittleness
combination of tin and mercury result in - Correct Answergamma 2 phase, which leads
to increase in flow and corrosion and a decrease in strength that predisposes the
restoration to fracture
what is creep - Correct Answercreep is the slow change inn dimensions of the amaglam
due to prolonged exposure to stress
, what happens when amalgam get contaminated with moisture - Correct Answerbubbles
of hydrogen from the water cause excessive delayed expansion
the compressive strength of amalgam 20 mins after placement - Correct Answer6%
what is the vice - Correct Answeris a box shaped at the lower end of the retainer that
has an opening for threaded spindle to move in and out of.
what functions as a receptacle for the side and ends of the matrix - Correct
Answerguide slot in the vice
where will the larger diameter of the band be placed - Correct Answerlarger openings
best adapt to the occlusal portion of the tooth crown. when the smaller opening adapts
to the constricted cervical portion of the crown.
The junction of two walls within a cavity prepartion is known as ? - Correct AnswerLine
angle
Most amalgam contains approximatelly what perecent of mercury ? - Correct
Answer50%
when the dentist places a pin at what location is it placed ? - Correct Answerinto dentin
on the pulpal floor
Two types of restorations are taken slightly out of occlusion - Correct Answerclass Iv (
4) and temp restorations
for maxillary teeth what position should a patient be in ? - Correct Answersupine
Placing a gingival retractor - Correct Answerfacial and lingual class V restorations
punch the rubber dam displacing the hole facially 3-6 mm.
what are bases and liners used for ? - Correct Answerbases and liners are used to
protect the pulp or to aid in its recovery, or both.
A minimal depth restoration - Correct Answerextends about 0.5mm- 1.5mm into dentin
moderate depth - Correct Answer1mm into dentin, but more than 0.5mm from the pulp
what is criteria for good proximal contact on class II restoration ? - Correct
AnswerContact visibly closed, should resist floss without fraying, contact located on occ
half of tooth
The traingular ridges of which two cusps form the oblique ridge - Correct
Answermesiolingual and distobuccal
correct answers 100% 2025
For maxillary teeth what position should the patient be in - Correct AnswerSupine
what is the most common grasp - Correct AnswerThe pen grasp and the modified pen
grasp
how to stabilize the rubber dam - Correct Answerligating the tooth farthest from the
clamped tooth
what are bases and liners used for - Correct Answerbases and liners are used to protect
the pulp or to aid in its recovery, or both.
What is pulpitis? - Correct AnswerInflammation of the pulp
A minimal depth restoration - Correct Answerextends about 0.5mm- 1.5mm into dentin
moderate depth - Correct Answer1mm into dentin, but more than 0.5mm from the pulp
Near pulpal exposure - Correct Answerless than 0.5mm away from the pulp
what is the criteria for a cavity varnish - Correct Answerused to protect the pulp from
being adversely affected by materials
normal bond strength for glass ionomer is greater than of zinc phosphate - Correct
Answertrue
Silver - Correct Answer41% - 71% combines easily with mercury
copper - Correct Answerlower copper; less than 9% high copper; 12-30%. Decrease
expansion ( creep) less marginal breakdown
Tin - Correct Answer15-30% aids in combining the mercury with the alloy
zinc - Correct Answer0-1% prevents oxidation during the manufacturing process
reduces brittleness
combination of tin and mercury result in - Correct Answergamma 2 phase, which leads
to increase in flow and corrosion and a decrease in strength that predisposes the
restoration to fracture
what is creep - Correct Answercreep is the slow change inn dimensions of the amaglam
due to prolonged exposure to stress
, what happens when amalgam get contaminated with moisture - Correct Answerbubbles
of hydrogen from the water cause excessive delayed expansion
the compressive strength of amalgam 20 mins after placement - Correct Answer6%
what is the vice - Correct Answeris a box shaped at the lower end of the retainer that
has an opening for threaded spindle to move in and out of.
what functions as a receptacle for the side and ends of the matrix - Correct
Answerguide slot in the vice
where will the larger diameter of the band be placed - Correct Answerlarger openings
best adapt to the occlusal portion of the tooth crown. when the smaller opening adapts
to the constricted cervical portion of the crown.
The junction of two walls within a cavity prepartion is known as ? - Correct AnswerLine
angle
Most amalgam contains approximatelly what perecent of mercury ? - Correct
Answer50%
when the dentist places a pin at what location is it placed ? - Correct Answerinto dentin
on the pulpal floor
Two types of restorations are taken slightly out of occlusion - Correct Answerclass Iv (
4) and temp restorations
for maxillary teeth what position should a patient be in ? - Correct Answersupine
Placing a gingival retractor - Correct Answerfacial and lingual class V restorations
punch the rubber dam displacing the hole facially 3-6 mm.
what are bases and liners used for ? - Correct Answerbases and liners are used to
protect the pulp or to aid in its recovery, or both.
A minimal depth restoration - Correct Answerextends about 0.5mm- 1.5mm into dentin
moderate depth - Correct Answer1mm into dentin, but more than 0.5mm from the pulp
what is criteria for good proximal contact on class II restoration ? - Correct
AnswerContact visibly closed, should resist floss without fraying, contact located on occ
half of tooth
The traingular ridges of which two cusps form the oblique ridge - Correct
Answermesiolingual and distobuccal
