Efda Entrance Exam 2025/2026 Questions And Verified Correct Solutions || 100% Guaranteed Pass Brand New Version

EFDA ENTRANCE EXAM 2025/2026 QUESTIONS AND
VERIFIED CORRECT SOLUTIONS || 100%
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EFDA ENTRANCE EXAM 2025/2026: PRACTICE QUESTIONS & SOLUTIONS

1. What is the primary purpose of a dental dam?
A) To whiten teeth
B) To isolate the operative field from the oral environment ✓
C) To take an impression
D) To polish teeth

2. Which material is most commonly used for a final impression for a crown?
A) Alginate
B) Polyvinyl siloxane ✓
C) Plaster of Paris
D) Zinc Oxide Eugenol

3. The "D" in DDS stands for:
A) Dental
B) Doctor ✓
C) Department
D) Dental Surgery

4. Which tooth surface is closest to the cheek?
A) Lingual
B) Mesial
C) Buccal ✓
D) Distal

5. What is the term for the process of removing decay from a tooth?
A) Extirpation
B) Excavation ✓
C) Extraction
D) Evacuation

6. The permanent dentition typically has how many teeth?
A) 20
B) 24

,C) 32 ✓
D) 28

7. Which instrument is used to examine the tooth for caries?
A) Explorer ✓
B) Mouth mirror
C) Cotton pliers
D) Scalpel

8. What is the primary component of enamel?
A) Collagen
B) Hydroxyapatite ✓
C) Keratin
D) Fluoride

9. Which agency regulates the safety and efficacy of dental materials and drugs?
A) OSHA
B) FDA ✓
C) CDC
D) ADA

10. What is the term for grinding of teeth?
A) Attrition
B) Abrasion
C) Bruxism ✓
D) Erosion

11. The primary role of an EFDA is to:
A) Diagnose conditions
B) Place and finish restorative materials ✓
C) Perform root canals
D) Extract teeth

12. Which material is used for a temporary filling?
A) Amalgam
B) Composite Resin
C) Zinc Oxide Eugenol (ZOE) ✓
D) Porcelain

13. What does the term "occlusion" refer to?
A) The biting relationship of the upper and lower teeth ✓

,B) The process of numbing a tooth
C) The blood supply to the pulp
D) The removal of calculus

14. Which teeth are considered the "cornerstone" of the arch?
A) Incisors
B) Canines ✓
C) Premolars
D) Molars

15. What is the most common local anesthetic used in dentistry?
A) Procaine
B) Lidocaine ✓
C) Epinephrine
D) Nitrous Oxide

16. Gingiva is the technical term for:
A) The jawbone
B) The gums ✓
C) The pulp
D) The tongue

17. A rubber cup is used with prophy paste to:
A) Etch the tooth
B) Polish the teeth ✓
C) Apply fluoride
D) Remove caries

18. The process of removing unsupported enamel after cavity preparation is called:
A) Etching
B) Bonding
C) Prisming
D) Cavosurface margin finishing ✓

19. Which tooth number is the permanent maxillary right central incisor in the Universal
Numbering System?
A) #8 ✓
B) #9
C) #7
D) #6

, 20. What is the purpose of etching a tooth with acid?
A) To sterilize the surface
B) To create micropores for bonding ✓
C) To whiten the tooth
D) To desensitize the tooth

21. The mesial surface of a tooth is:
A) The chewing surface
B) The surface toward the midline ✓
C) The surface away from the midline
D) The tongue-side surface

22. Which material is self-curing?
A) Light-cured composite
B) Chemically-cured composite ✓
C) Dual-cured composite
D) All of the above

23. What is the primary purpose of a base under a restoration?
A) For aesthetics
B) To provide thermal insulation and pulp protection ✓
C) To increase strength
D) To aid in bonding

24. A periapical radiograph shows:
A) The entire dental arch
B) The crown portions of several teeth
C) The entire tooth from crown to apex ✓
D) A panoramic view of the jaws

25. The "C" in CDC stands for:
A) Control ✓
B) Clinical
C) Certified
D) Caries

26. Which instrument is used to carry amalgam to the prepared tooth?
A) Condenser
B) Amalgam Carrier ✓