EFDA REVIEW PRACTICE EXAM QUESTIONS
WITH CORRECT ANSWERS 2025
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
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?
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
Which of the following statements is true regarding GI?
1. GI is more abrasion-resistant than amalgam
WITH CORRECT ANSWERS 2025
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
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?
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
Which of the following statements is true regarding GI?
1. GI is more abrasion-resistant than amalgam
