OHIO EFDA BOARD EXAM (ACTUAL 2025/2026) 100% ACCURATE
QUESTIONS WITH CORRECT VERIFIED SOLUTIONS GRADED A+
SCORE SOLUTION GUARANTEED PASS
Exothermic describes the setting reaction that occurs in what
cement when use as a base? - --ANSWERS---zinc phosphate
What provides natural thermal protection to the pulp? - --
ANSWERS---enamel and dentin
Why is a pulpal stimulator used under a restoration? - --
ANSWERS---to initiate the formation of reparative dentin
What cement can be used as a base and obtundant? - --
ANSWERS---zinc oxide eugenol zoe
Preparations with near pulpal depth require ___________ as pulp
protection(in proper sequence -under an amalgam restoration) -
--ANSWERS---calcium hydroxide, zinc oxide eugenol, copal
varnish
Which material would be used as a direct pulp cap on a pupal
exposure? - --ANSWERS---calcium hydroxide
What is the smear layer? - --ANSWERS---a combination of cut
tooth, bacteria, and filling material
What is the correct term for inflammation of the pulp - --
ANSWERS---pulpits
Preparation with minimal depth requires, which of the following
as pulp protection ( in proper sequence-under amalgam
restoration) ? - --ANSWERS---copal varnish (sealer)
, Which hemostatic agent should be used with caution because it
can cause an elevation in blood pressure and tachycardia in
some patients? - --ANSWERS---racemic epinephrine
What metals are found in dental alloy? - --ANSWERS---silver
Copper
Tin
Zinc
Creep and corrosion can be prevented in an amalgam if
___________ metals is found in the alloy in a high amount? - --
ANSWERS---cooper
Which of the following phase contributes to corrosion and creep
and occurs during trituration of amalgam? - --ANSWERS---
gamma 2
What amounts of mercury added to alloy, would cause the
amalgam to be considered "mercury. Rich" - --ANSWERS---
>54%
Name the type of amalgam that includes both spherical and lathe
cut alloys - --ANSWERS---admixed
What effect occurs to an amalga that has been exposed to
moisture during placement? - --ANSWERS---excessive
expansion
Which two metals combine in react during the gamma 2 phase? -
--ANSWERS---tin and mercury
QUESTIONS WITH CORRECT VERIFIED SOLUTIONS GRADED A+
SCORE SOLUTION GUARANTEED PASS
Exothermic describes the setting reaction that occurs in what
cement when use as a base? - --ANSWERS---zinc phosphate
What provides natural thermal protection to the pulp? - --
ANSWERS---enamel and dentin
Why is a pulpal stimulator used under a restoration? - --
ANSWERS---to initiate the formation of reparative dentin
What cement can be used as a base and obtundant? - --
ANSWERS---zinc oxide eugenol zoe
Preparations with near pulpal depth require ___________ as pulp
protection(in proper sequence -under an amalgam restoration) -
--ANSWERS---calcium hydroxide, zinc oxide eugenol, copal
varnish
Which material would be used as a direct pulp cap on a pupal
exposure? - --ANSWERS---calcium hydroxide
What is the smear layer? - --ANSWERS---a combination of cut
tooth, bacteria, and filling material
What is the correct term for inflammation of the pulp - --
ANSWERS---pulpits
Preparation with minimal depth requires, which of the following
as pulp protection ( in proper sequence-under amalgam
restoration) ? - --ANSWERS---copal varnish (sealer)
, Which hemostatic agent should be used with caution because it
can cause an elevation in blood pressure and tachycardia in
some patients? - --ANSWERS---racemic epinephrine
What metals are found in dental alloy? - --ANSWERS---silver
Copper
Tin
Zinc
Creep and corrosion can be prevented in an amalgam if
___________ metals is found in the alloy in a high amount? - --
ANSWERS---cooper
Which of the following phase contributes to corrosion and creep
and occurs during trituration of amalgam? - --ANSWERS---
gamma 2
What amounts of mercury added to alloy, would cause the
amalgam to be considered "mercury. Rich" - --ANSWERS---
>54%
Name the type of amalgam that includes both spherical and lathe
cut alloys - --ANSWERS---admixed
What effect occurs to an amalga that has been exposed to
moisture during placement? - --ANSWERS---excessive
expansion
Which two metals combine in react during the gamma 2 phase? -
--ANSWERS---tin and mercury
