EFDA ENTRANCE EXAM 2025/2026
QUESTIONS AND VERIFIED CORRECT
SOLUTIONS || 100% GUARANTEED PASS
<BRAND NEW VERSION>
EFDA Entrance Exam 2025/2026: 100 Questions & Verified Solutions
1. What is the hardest substance in the human body?
A) Bone
B) Dentin
C) Cementum
D) Enamel ✓
2. The portion of the tooth that is visible in the mouth is the:
A) Crown ✓
B) Root
C) Cervix
D) Pulp
3. The natural contact between the occlusal surfaces of the maxillary and mandibular teeth is
called:
A) Articulation
B) Occlusion ✓
C) Centric relation
D) Protrusion
4. Which tooth is the "cornerstone" of the dental arch?
A) Central Incisor
B) Canine ✓
C) First Premolar
D) First Molar
5. The primary mineral that makes up enamel is:
A) Calcium Carbonate
B) Calcium Phosphate
,C) Hydroxyapatite ✓
D) Fluorapatite
6. What is the term for the space between two adjacent teeth?
A) Embrasure
B) Contact area
C) Interproximal space ✓
D) Fossa
7. The mandible articulates with the skull at the:
A) Coronoid process
B) Mental foramen
C) Temporomandibular joint ✓
D) Zygomatic arch
8. The major artery that supplies the maxillary teeth is the:
A) Facial artery
B) Inferior alveolar artery
C) Supraorbital artery
D) Superior alveolar artery ✓
9. The trigeminal nerve is the ___ cranial nerve.
A) Third (III)
B) Fifth (V) ✓
C) Seventh (VII)
D) Twelfth (XII)
10. Which salivary gland is the largest?
A) Parotid ✓
B) Sublingual
C) Submandibular
D) Palatine
11. The primary dentition consists of how many teeth?
A) 20 ✓
B) 24
C) 28
D) 32
12. The first permanent tooth to erupt is usually the:
A) Mandibular central incisor
,B) Mandibular first molar ✓
C) Maxillary central incisor
D) Maxillary first molar
13. The "Universal Numbering System" for tooth #3 refers to the:
A) Maxillary right first molar
B) Maxillary right third molar
C) Maxillary left first molar
D) Maxillary right first molar ✓
14. Which tooth has a cusp of Carabelli?
A) Mandibular first molar
B) Maxillary first premolar
C) Maxillary first molar ✓
D) Mandibular second premolar
15. The periodontal ligament attaches the tooth to the:
A) Gingiva
B) Alveolar bone ✓
C) Pulp chamber
D) Enamel
16. The most common type of oral cancer is:
A) Adenocarcinoma
B) Squamous cell carcinoma ✓
C) Sarcoma
D) Melanoma
17. Dental caries is primarily caused by:
A) Streptococcus mutans ✓
B) Lactobacillus acidophilus
C) Porphyromonas gingivalis
D) Treponema pallidum
18. Gingivitis is inflammation of the:
A) Periodontal ligament
B) Alveolar bone
C) Gingival tissues ✓
D) Pulp tissue
, 19. The term "xerostomia" refers to:
A) Excessive salivation
B) Dry mouth ✓
C) Bad breath
D) Tooth grinding
20. What is the primary purpose of a dental liner?
A) To bond the restoration to the tooth
B) To provide strength to the restoration
C) To protect the pulp from chemical irritation ✓
D) To insulate against thermal shock
21. The most common type of matrix band used for a Class II amalgam restoration is the:
A) Tofflemire ✓
B) AutoMatrix
C) Spot-welded band
D) Clear plastic strip
22. Which dental material is composed of a powder and liquid that are mixed?
A) Composite resin
B) Glass Ionomer ✓
C) Resin-modified glass ionomer
D) Zinc Oxide Eugenol
23. The process of mixing amalgam alloy with mercury is called:
A) Condensation
B) Trituration ✓
C) Carving
D) Burnishing
24. The purpose of etching a tooth for a composite restoration is to:
A) Kill bacteria
B) Create micropores for mechanical retention ✓
C) Whiten the tooth
D) Desensitize the tooth
25. The final step in placing a composite restoration is:
A) Etching
B) Placing the bonding agent
QUESTIONS AND VERIFIED CORRECT
SOLUTIONS || 100% GUARANTEED PASS
<BRAND NEW VERSION>
EFDA Entrance Exam 2025/2026: 100 Questions & Verified Solutions
1. What is the hardest substance in the human body?
A) Bone
B) Dentin
C) Cementum
D) Enamel ✓
2. The portion of the tooth that is visible in the mouth is the:
A) Crown ✓
B) Root
C) Cervix
D) Pulp
3. The natural contact between the occlusal surfaces of the maxillary and mandibular teeth is
called:
A) Articulation
B) Occlusion ✓
C) Centric relation
D) Protrusion
4. Which tooth is the "cornerstone" of the dental arch?
A) Central Incisor
B) Canine ✓
C) First Premolar
D) First Molar
5. The primary mineral that makes up enamel is:
A) Calcium Carbonate
B) Calcium Phosphate
,C) Hydroxyapatite ✓
D) Fluorapatite
6. What is the term for the space between two adjacent teeth?
A) Embrasure
B) Contact area
C) Interproximal space ✓
D) Fossa
7. The mandible articulates with the skull at the:
A) Coronoid process
B) Mental foramen
C) Temporomandibular joint ✓
D) Zygomatic arch
8. The major artery that supplies the maxillary teeth is the:
A) Facial artery
B) Inferior alveolar artery
C) Supraorbital artery
D) Superior alveolar artery ✓
9. The trigeminal nerve is the ___ cranial nerve.
A) Third (III)
B) Fifth (V) ✓
C) Seventh (VII)
D) Twelfth (XII)
10. Which salivary gland is the largest?
A) Parotid ✓
B) Sublingual
C) Submandibular
D) Palatine
11. The primary dentition consists of how many teeth?
A) 20 ✓
B) 24
C) 28
D) 32
12. The first permanent tooth to erupt is usually the:
A) Mandibular central incisor
,B) Mandibular first molar ✓
C) Maxillary central incisor
D) Maxillary first molar
13. The "Universal Numbering System" for tooth #3 refers to the:
A) Maxillary right first molar
B) Maxillary right third molar
C) Maxillary left first molar
D) Maxillary right first molar ✓
14. Which tooth has a cusp of Carabelli?
A) Mandibular first molar
B) Maxillary first premolar
C) Maxillary first molar ✓
D) Mandibular second premolar
15. The periodontal ligament attaches the tooth to the:
A) Gingiva
B) Alveolar bone ✓
C) Pulp chamber
D) Enamel
16. The most common type of oral cancer is:
A) Adenocarcinoma
B) Squamous cell carcinoma ✓
C) Sarcoma
D) Melanoma
17. Dental caries is primarily caused by:
A) Streptococcus mutans ✓
B) Lactobacillus acidophilus
C) Porphyromonas gingivalis
D) Treponema pallidum
18. Gingivitis is inflammation of the:
A) Periodontal ligament
B) Alveolar bone
C) Gingival tissues ✓
D) Pulp tissue
, 19. The term "xerostomia" refers to:
A) Excessive salivation
B) Dry mouth ✓
C) Bad breath
D) Tooth grinding
20. What is the primary purpose of a dental liner?
A) To bond the restoration to the tooth
B) To provide strength to the restoration
C) To protect the pulp from chemical irritation ✓
D) To insulate against thermal shock
21. The most common type of matrix band used for a Class II amalgam restoration is the:
A) Tofflemire ✓
B) AutoMatrix
C) Spot-welded band
D) Clear plastic strip
22. Which dental material is composed of a powder and liquid that are mixed?
A) Composite resin
B) Glass Ionomer ✓
C) Resin-modified glass ionomer
D) Zinc Oxide Eugenol
23. The process of mixing amalgam alloy with mercury is called:
A) Condensation
B) Trituration ✓
C) Carving
D) Burnishing
24. The purpose of etching a tooth for a composite restoration is to:
A) Kill bacteria
B) Create micropores for mechanical retention ✓
C) Whiten the tooth
D) Desensitize the tooth
25. The final step in placing a composite restoration is:
A) Etching
B) Placing the bonding agent