NDAEB Exam Evaluation 2026/2027 |
Verified Questions
National Dental Assisting Examining Board (NDAEB) | Verified Q&A | Certified
Dental Assistants
Introduction
This 150-question NDAEB Exam Evaluation 2026/2027 covers Oral Health Sciences, Clinical Dental Assisting
Procedures, Infection Prevention and Control, and Professionalism, Ethics, and Practice Management. The original
items reinforce NDAEB course objectives, Canadian Dental Assistants Association guidance, and current evidence-
based dental assisting standards for actual exam readiness and academic success. This evaluation contains exactly
150 questions with verified answers.
Domain: Oral Health Sciences
1. Which statement is most accurate regarding enamel?
A. Enamel is the hardest tissue in the human body
B. A method unrelated to the stated nutrition issue
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: A
Rationale: Enamel is the hardest tissue in the human body is the best response under dental assisting
principles, Canadian guidance, and evidence-based clinical practice.
2. Which statement is most accurate regarding dentin?
A. A method unrelated to the stated nutrition issue
B. Dentin forms the bulk of a tooth
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: B
Rationale: Dentin forms the bulk of a tooth is the best response under dental assisting principles, Canadian
guidance, and evidence-based clinical practice.
3. Which statement is most accurate regarding cementum?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
C. Cementum covers the root surface
D. An action outside the intended purpose
NDAEB Exam Evaluation 2026/2027 | Verified Questions
, Correct Answer: C
Rationale: Cementum covers the root surface is the best response under dental assisting principles, Canadian
guidance, and evidence-based clinical practice.
4. Which statement is most accurate regarding pulp?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
C. An action outside the intended purpose
D. Pulp contains blood vessels and nerves
Correct Answer: D
Rationale: Pulp contains blood vessels and nerves is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
5. Which statement is most accurate regarding periodontal ligament?
A. The periodontal ligament attaches tooth to alveolar bone
B. A method unrelated to the stated nutrition issue
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: A
Rationale: The periodontal ligament attaches tooth to alveolar bone is the best response under dental
assisting principles, Canadian guidance, and evidence-based clinical practice.
6. Which statement is most accurate regarding alveolar process?
A. A method unrelated to the stated nutrition issue
B. The alveolar process supports tooth sockets
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: B
Rationale: The alveolar process supports tooth sockets is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
7. Which statement is most accurate regarding gingiva?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
C. Healthy gingiva protects underlying periodontal tissues
D. An action outside the intended purpose
Correct Answer: C
Rationale: Healthy gingiva protects underlying periodontal tissues is the best response under dental assisting
principles, Canadian guidance, and evidence-based clinical practice.
NDAEB Exam Evaluation 2026/2027 | Verified Questions
,8. Which statement is most accurate regarding incisor function?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
C. An action outside the intended purpose
D. Incisors are designed primarily for cutting
Correct Answer: D
Rationale: Incisors are designed primarily for cutting is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
9. Which statement is most accurate regarding canine function?
A. Canines are designed primarily for tearing
B. A method unrelated to the stated nutrition issue
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: A
Rationale: Canines are designed primarily for tearing is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
10. Which statement is most accurate regarding premolar function?
A. A method unrelated to the stated nutrition issue
B. Premolars assist with tearing and grinding
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: B
Rationale: Premolars assist with tearing and grinding is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
11. Which statement is most accurate regarding molar function?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
C. Molars are designed primarily for grinding
D. An action outside the intended purpose
Correct Answer: C
Rationale: Molars are designed primarily for grinding is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
12. Which statement is most accurate regarding maxilla?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
NDAEB Exam Evaluation 2026/2027 | Verified Questions
, C. An action outside the intended purpose
D. The maxilla forms the upper jaw
Correct Answer: D
Rationale: The maxilla forms the upper jaw is the best response under dental assisting principles, Canadian
guidance, and evidence-based clinical practice.
13. Which statement is most accurate regarding mandible?
A. The mandible is the movable lower jaw
B. A method unrelated to the stated nutrition issue
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: A
Rationale: The mandible is the movable lower jaw is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
14. Which statement is most accurate regarding TMJ?
A. A method unrelated to the stated nutrition issue
B. The temporomandibular joint permits mandibular movement
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: B
Rationale: The temporomandibular joint permits mandibular movement is the best response under dental
assisting principles, Canadian guidance, and evidence-based clinical practice.
15. Which statement is most accurate regarding masseter?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
C. The masseter elevates the mandible
D. An action outside the intended purpose
Correct Answer: C
Rationale: The masseter elevates the mandible is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
16. Which statement is most accurate regarding buccal mucosa?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
C. An action outside the intended purpose
D. Buccal mucosa lines the inside of the cheek
Correct Answer: D
NDAEB Exam Evaluation 2026/2027 | Verified Questions
Verified Questions
National Dental Assisting Examining Board (NDAEB) | Verified Q&A | Certified
Dental Assistants
Introduction
This 150-question NDAEB Exam Evaluation 2026/2027 covers Oral Health Sciences, Clinical Dental Assisting
Procedures, Infection Prevention and Control, and Professionalism, Ethics, and Practice Management. The original
items reinforce NDAEB course objectives, Canadian Dental Assistants Association guidance, and current evidence-
based dental assisting standards for actual exam readiness and academic success. This evaluation contains exactly
150 questions with verified answers.
Domain: Oral Health Sciences
1. Which statement is most accurate regarding enamel?
A. Enamel is the hardest tissue in the human body
B. A method unrelated to the stated nutrition issue
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: A
Rationale: Enamel is the hardest tissue in the human body is the best response under dental assisting
principles, Canadian guidance, and evidence-based clinical practice.
2. Which statement is most accurate regarding dentin?
A. A method unrelated to the stated nutrition issue
B. Dentin forms the bulk of a tooth
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: B
Rationale: Dentin forms the bulk of a tooth is the best response under dental assisting principles, Canadian
guidance, and evidence-based clinical practice.
3. Which statement is most accurate regarding cementum?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
C. Cementum covers the root surface
D. An action outside the intended purpose
NDAEB Exam Evaluation 2026/2027 | Verified Questions
, Correct Answer: C
Rationale: Cementum covers the root surface is the best response under dental assisting principles, Canadian
guidance, and evidence-based clinical practice.
4. Which statement is most accurate regarding pulp?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
C. An action outside the intended purpose
D. Pulp contains blood vessels and nerves
Correct Answer: D
Rationale: Pulp contains blood vessels and nerves is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
5. Which statement is most accurate regarding periodontal ligament?
A. The periodontal ligament attaches tooth to alveolar bone
B. A method unrelated to the stated nutrition issue
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: A
Rationale: The periodontal ligament attaches tooth to alveolar bone is the best response under dental
assisting principles, Canadian guidance, and evidence-based clinical practice.
6. Which statement is most accurate regarding alveolar process?
A. A method unrelated to the stated nutrition issue
B. The alveolar process supports tooth sockets
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: B
Rationale: The alveolar process supports tooth sockets is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
7. Which statement is most accurate regarding gingiva?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
C. Healthy gingiva protects underlying periodontal tissues
D. An action outside the intended purpose
Correct Answer: C
Rationale: Healthy gingiva protects underlying periodontal tissues is the best response under dental assisting
principles, Canadian guidance, and evidence-based clinical practice.
NDAEB Exam Evaluation 2026/2027 | Verified Questions
,8. Which statement is most accurate regarding incisor function?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
C. An action outside the intended purpose
D. Incisors are designed primarily for cutting
Correct Answer: D
Rationale: Incisors are designed primarily for cutting is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
9. Which statement is most accurate regarding canine function?
A. Canines are designed primarily for tearing
B. A method unrelated to the stated nutrition issue
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: A
Rationale: Canines are designed primarily for tearing is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
10. Which statement is most accurate regarding premolar function?
A. A method unrelated to the stated nutrition issue
B. Premolars assist with tearing and grinding
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: B
Rationale: Premolars assist with tearing and grinding is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
11. Which statement is most accurate regarding molar function?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
C. Molars are designed primarily for grinding
D. An action outside the intended purpose
Correct Answer: C
Rationale: Molars are designed primarily for grinding is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
12. Which statement is most accurate regarding maxilla?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
NDAEB Exam Evaluation 2026/2027 | Verified Questions
, C. An action outside the intended purpose
D. The maxilla forms the upper jaw
Correct Answer: D
Rationale: The maxilla forms the upper jaw is the best response under dental assisting principles, Canadian
guidance, and evidence-based clinical practice.
13. Which statement is most accurate regarding mandible?
A. The mandible is the movable lower jaw
B. A method unrelated to the stated nutrition issue
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: A
Rationale: The mandible is the movable lower jaw is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
14. Which statement is most accurate regarding TMJ?
A. A method unrelated to the stated nutrition issue
B. The temporomandibular joint permits mandibular movement
C. A finding that does not address the question
D. An action outside the intended purpose
Correct Answer: B
Rationale: The temporomandibular joint permits mandibular movement is the best response under dental
assisting principles, Canadian guidance, and evidence-based clinical practice.
15. Which statement is most accurate regarding masseter?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
C. The masseter elevates the mandible
D. An action outside the intended purpose
Correct Answer: C
Rationale: The masseter elevates the mandible is the best response under dental assisting principles,
Canadian guidance, and evidence-based clinical practice.
16. Which statement is most accurate regarding buccal mucosa?
A. A method unrelated to the stated nutrition issue
B. A finding that does not address the question
C. An action outside the intended purpose
D. Buccal mucosa lines the inside of the cheek
Correct Answer: D
NDAEB Exam Evaluation 2026/2027 | Verified Questions
