OHIO EFDA BOARD EXAM (ACTUAL 2025/2026) QUESTIONS
WITH CORRECT VERIFIED SOLUTIONS GRADED A+
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%
WITH CORRECT VERIFIED SOLUTIONS GRADED A+
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%
