EFDA Review Exam Questions and Correct
Answers | Latest Update 2026/2027 | Graded
A+ | 100% Pass.
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
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
3. dentist is personally operating on a pt
4. delegated procedures are performed pursuant to dentist's order and under
his/her license
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
4. increases in size with age
Which of the following statements most accurately describes the
periodontium?
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
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
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
3. zinc phosphate cement
Which of the following statements is true regarding GI?
1. GI is more abrasion-resistant than amalgam
2. GI is more moisture-sensitive than composite
3. GI provides better esthetics than composite
Answers | Latest Update 2026/2027 | Graded
A+ | 100% Pass.
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
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
3. dentist is personally operating on a pt
4. delegated procedures are performed pursuant to dentist's order and under
his/her license
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
4. increases in size with age
Which of the following statements most accurately describes the
periodontium?
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
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
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
3. zinc phosphate cement
Which of the following statements is true regarding GI?
1. GI is more abrasion-resistant than amalgam
2. GI is more moisture-sensitive than composite
3. GI provides better esthetics than composite
