PA EFDA Board Midterm Exam 2 2025/2026 Graded A+
Questions and 100% Correct Answers – (Success
Guaranteed!!)
C. Enamel - Which of the following is the hardest tissue in the body?
A. Bone
B. Cementum
C. Enamel
D. Dentin
B. Inorganic - Enamel is 95-96%
A. Organic
B. Inorganic
C. Perform a therapeutic intraoral adjustment of a fixed bridge - Which of the following is not a legal
duty for an EFDA in Ohio?
A. Place medication in pulp chambers of a tooth with a devital pulp.
B. Place and remove surgical dressings.
C. Perform a therapeutic intraoral adjustment of a fixed bridge
D. Elect the shade for the fabrication of a porcelain veneer crown.
B. MN second premolar - Nam ether premolar most likely to have there cusps:
A. MN first premolar
B. MN second premolar
C. MX first premolar
D. MX second premolar
B. Within dentin for improved retention - Pins can be used during the placement of a large
restoration. Where and why are pins placed?
A. within enamel for improved retention
B. Within dentin for improved retention
,C. Within enamel for increased esthetics
D. Within dentin and enamel, for improved retention
B. Decreased creep - Some amalgam brands are considered to have high copper content. What
would be the benefit of this type of amalgam?
A. Increase in gamma II phase
B. Decreased creep
C. Increased corrosion
D. Decreased delayed expansion
F. All of the above - High copper amalgam content results in:
A. Increased strength
B. Decreased corrosion
C. Decreased creep
D. Decreased gamma II
E. Only A and D
F. All of the above
A. Large filler particles for increased strength
Conventional=Macrofilled - Composites that are considered to be conventional have what types of
qualities?
A. Large filler particles for increased strength
B. Small filler particles for increased polishability
C. Best type of composite for anterior restorations
D. Include nano fill and micro filled particles
C. In the middle to occlusal third - Where is the contact of posterior teeth located when viewing from
the buccal?
A. Just buccal to the midline
B. Just lingual to the midline
C. In the middle to occlusal third
, D. In the middle to gingival third
C. Choose the composite shade, place the rubber dam, place the mylar strip - Choose the correct
order of steps when placing a class III composite with a rubber dam:
A. Place the rubber dam, choose the composite shade, place a mylar strip
B. Choose the composite shade, place the mylar strip, place the rubber dam
C. Choose the composite shade, place the rubber dam, place the mylar strip
D. Place the rubber dam, place a mylar strip, choose the composite shade.
A. Before - Mylar strips are placed __________ acid etch.
A. Before
B. After
A. The plural floor is prepared at ideal depth - Which of the following is a situation where a liner
and/or base would not be indicated for a class II restoration?
A. The plural floor is prepared at ideal depth
B. The axial wall is concave due to the removal of extensive decay
C. There is a near pulp exposure
D. The gingival floor is subgingival
B. Unaffected by moisture when placing - All of the following are characteristics of glass ionomers
except:
A. Chemically bonds to dentin
B. Unaffected by moisture when placing
C. Releases fluoride
D. Used as a cement, base, liner or permanent restoration
D. To prevent swallowing or aspiration of the clamp - When using a clamp for retraction, why should
a floss ligature be tied to it?
A. To use to check the contact of the restoration you are placing
B. To add in the placement and removal of the clamp
C. To prevent breakage of the clamp
Questions and 100% Correct Answers – (Success
Guaranteed!!)
C. Enamel - Which of the following is the hardest tissue in the body?
A. Bone
B. Cementum
C. Enamel
D. Dentin
B. Inorganic - Enamel is 95-96%
A. Organic
B. Inorganic
C. Perform a therapeutic intraoral adjustment of a fixed bridge - Which of the following is not a legal
duty for an EFDA in Ohio?
A. Place medication in pulp chambers of a tooth with a devital pulp.
B. Place and remove surgical dressings.
C. Perform a therapeutic intraoral adjustment of a fixed bridge
D. Elect the shade for the fabrication of a porcelain veneer crown.
B. MN second premolar - Nam ether premolar most likely to have there cusps:
A. MN first premolar
B. MN second premolar
C. MX first premolar
D. MX second premolar
B. Within dentin for improved retention - Pins can be used during the placement of a large
restoration. Where and why are pins placed?
A. within enamel for improved retention
B. Within dentin for improved retention
,C. Within enamel for increased esthetics
D. Within dentin and enamel, for improved retention
B. Decreased creep - Some amalgam brands are considered to have high copper content. What
would be the benefit of this type of amalgam?
A. Increase in gamma II phase
B. Decreased creep
C. Increased corrosion
D. Decreased delayed expansion
F. All of the above - High copper amalgam content results in:
A. Increased strength
B. Decreased corrosion
C. Decreased creep
D. Decreased gamma II
E. Only A and D
F. All of the above
A. Large filler particles for increased strength
Conventional=Macrofilled - Composites that are considered to be conventional have what types of
qualities?
A. Large filler particles for increased strength
B. Small filler particles for increased polishability
C. Best type of composite for anterior restorations
D. Include nano fill and micro filled particles
C. In the middle to occlusal third - Where is the contact of posterior teeth located when viewing from
the buccal?
A. Just buccal to the midline
B. Just lingual to the midline
C. In the middle to occlusal third
, D. In the middle to gingival third
C. Choose the composite shade, place the rubber dam, place the mylar strip - Choose the correct
order of steps when placing a class III composite with a rubber dam:
A. Place the rubber dam, choose the composite shade, place a mylar strip
B. Choose the composite shade, place the mylar strip, place the rubber dam
C. Choose the composite shade, place the rubber dam, place the mylar strip
D. Place the rubber dam, place a mylar strip, choose the composite shade.
A. Before - Mylar strips are placed __________ acid etch.
A. Before
B. After
A. The plural floor is prepared at ideal depth - Which of the following is a situation where a liner
and/or base would not be indicated for a class II restoration?
A. The plural floor is prepared at ideal depth
B. The axial wall is concave due to the removal of extensive decay
C. There is a near pulp exposure
D. The gingival floor is subgingival
B. Unaffected by moisture when placing - All of the following are characteristics of glass ionomers
except:
A. Chemically bonds to dentin
B. Unaffected by moisture when placing
C. Releases fluoride
D. Used as a cement, base, liner or permanent restoration
D. To prevent swallowing or aspiration of the clamp - When using a clamp for retraction, why should
a floss ligature be tied to it?
A. To use to check the contact of the restoration you are placing
B. To add in the placement and removal of the clamp
C. To prevent breakage of the clamp
