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EFDA Board Questions and Answers (100% Pass)
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Which of the following is the hardest tissue in the body? A. Bone B. Cementum C. Enamel D. Dentin C. Enamel Enamel is 95-96% A. Organic B. Inorganic B. Inorganic 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 devit...

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  • October 12, 2024
  • 52
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • efda board questions and answers 100 pass
  • which of the following is the hardest tissue in th

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1 | P a g e | © copyright 2024/2025 | Grade A+




EFDA Board Questions and Answers
(100% Pass)
Which of the following is the hardest tissue in the body?


A. Bone


B. Cementum


C. Enamel


D. Dentin


✓ C. Enamel




Enamel is 95-96%


A. Organic


B. Inorganic


✓ B. Inorganic




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.

Master01 | October, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

✓ C. Perform a therapeutic intraoral adjustment of a fixed bridge




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. MN second premolar




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. Within dentin for improved retention




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

Master01 | October, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

B. Decreased creep


C. Increased corrosion


D. Decreased delayed expansion


✓ B. Decreased creep




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


✓ F. All of the above




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



Master01 | October, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

D. Include nano fill and micro filled particles


✓ A. Large filler particles for increased strength




Conventional=Macrofilled




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. In the middle to occlusal third




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.




Master01 | October, 2024/2025 | Latest update

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