EFDA PART TWO HARCUM COLLEGE
ACTUAL CERTIFICATION REVIEW PAPER
2026 IN DEPTH QUESTIONS ALONGSIDE
EXPERT CORRECT ANSWERS VERIFIED
GRADED A+
⩥ 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. 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. 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. 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. 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. 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. Answer: 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
4. GI bonds chemically and mechanically to dentin. Answer: 4. GI bonds
chemically and mechanically to dentin
⩥ Tooth #19 MODB RUC is to be restored with amalgam. The overfill
on the distal + distobuccal cusps should be:
1. equal to the cavosurface margin
2. to the desired final height of the restoration
3. slightly higher occlusally than the neighboring cusp of the adjacent
tooth
4. slightly shorter than desired final height of restoration. Answer: 3.
slightly higher occlusally than the neighboring cusp of the adjacent tooth
ACTUAL CERTIFICATION REVIEW PAPER
2026 IN DEPTH QUESTIONS ALONGSIDE
EXPERT CORRECT ANSWERS VERIFIED
GRADED A+
⩥ 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. 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. 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. 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. 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. 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. Answer: 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
4. GI bonds chemically and mechanically to dentin. Answer: 4. GI bonds
chemically and mechanically to dentin
⩥ Tooth #19 MODB RUC is to be restored with amalgam. The overfill
on the distal + distobuccal cusps should be:
1. equal to the cavosurface margin
2. to the desired final height of the restoration
3. slightly higher occlusally than the neighboring cusp of the adjacent
tooth
4. slightly shorter than desired final height of restoration. Answer: 3.
slightly higher occlusally than the neighboring cusp of the adjacent tooth
