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EFDA REVIEW PRACTICE EXAM 2025
WITH CORRECT ANSWERS.
Basic remediable intraoral tasks and/or procedures include all
of the following except:
1. impressions for diagnostic models or mouthguard
2. suture removal
3. placement of gingival retraction cord prior to direction
impression
4. placement of surgical dressings - correct answer- 3.
placement of gingival retraction cord prior to direction
impression
The following statements all apply to direct supervision except:
1. dentist is physically present during the performance of
delegated "acts"
2. dentist checks the pt before pt leaves the office
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3. dentist is personally operating on a pt
4. delegated procedures are performed pursuant to dentist's
order and under his/her license - correct answer- 3. dentist is
personally operating on a pt
The following statements are true regarding the dental pulp
except one. Which one is the exception?
1. provides nutrients + fluids to the dentin thru the blood supply
2. contains nerve fibers that mediate pain sensations
3. contains odontoblasts which help form primary, secondary,
and reparative dentin
4. increases in size with age - correct answer- 4. increases in
size with age
On a tooth with extensive gingival recession below the CEJ,
which of the following would be visible?
1. anatomical crown
2. clinical crown
3. anatomical + clinical crown
4. anatomical + clinical root - correct answer- 3. anatomical +
clinical crown
Which of the following statements most accurately describes
the periodontium?
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1. the oral hard + soft tissues that support the teeth
2. enamel + cementum located on the exterior surfaces of the
teeth
3. soft tissue that is loosely attached to the underlying bone
4. cuff of tissue that is not attached to the tooth - correct
answer- 1. the oral hard + soft tissues that support the teeth
When would an open sandwich technique with GI be
recommended?
1. whenever a metal matrix band is used
2. whenever the gingival margin of the proximal box is deeper
than ideal
3. it is recommended with every class II composite restoration
4. when the proximal box is wider buccolingually than ideal -
correct answer- 2. whenever the gingival margin of the proximal
box is deeper than ideal
Which of the following materials should not be placed directly
on dentin d/t the irritation it may cause to the tooth?
1. copal varnish
2. GI
3. zinc phosphate cement
4. calcium hydroxide - correct answer- 3. zinc phosphate
cement
EFDA REVIEW PRACTICE EXAM 2025
WITH CORRECT ANSWERS.
Basic remediable intraoral tasks and/or procedures include all
of the following except:
1. impressions for diagnostic models or mouthguard
2. suture removal
3. placement of gingival retraction cord prior to direction
impression
4. placement of surgical dressings - correct answer- 3.
placement of gingival retraction cord prior to direction
impression
The following statements all apply to direct supervision except:
1. dentist is physically present during the performance of
delegated "acts"
2. dentist checks the pt before pt leaves the office
,2 | Page
3. dentist is personally operating on a pt
4. delegated procedures are performed pursuant to dentist's
order and under his/her license - correct answer- 3. dentist is
personally operating on a pt
The following statements are true regarding the dental pulp
except one. Which one is the exception?
1. provides nutrients + fluids to the dentin thru the blood supply
2. contains nerve fibers that mediate pain sensations
3. contains odontoblasts which help form primary, secondary,
and reparative dentin
4. increases in size with age - correct answer- 4. increases in
size with age
On a tooth with extensive gingival recession below the CEJ,
which of the following would be visible?
1. anatomical crown
2. clinical crown
3. anatomical + clinical crown
4. anatomical + clinical root - correct answer- 3. anatomical +
clinical crown
Which of the following statements most accurately describes
the periodontium?
, 3 | Page
1. the oral hard + soft tissues that support the teeth
2. enamel + cementum located on the exterior surfaces of the
teeth
3. soft tissue that is loosely attached to the underlying bone
4. cuff of tissue that is not attached to the tooth - correct
answer- 1. the oral hard + soft tissues that support the teeth
When would an open sandwich technique with GI be
recommended?
1. whenever a metal matrix band is used
2. whenever the gingival margin of the proximal box is deeper
than ideal
3. it is recommended with every class II composite restoration
4. when the proximal box is wider buccolingually than ideal -
correct answer- 2. whenever the gingival margin of the proximal
box is deeper than ideal
Which of the following materials should not be placed directly
on dentin d/t the irritation it may cause to the tooth?
1. copal varnish
2. GI
3. zinc phosphate cement
4. calcium hydroxide - correct answer- 3. zinc phosphate
cement
