National Dental Examining Board of Canada | Written Examination
NDEB Written Examination
2026/2027 | Verified Questions
National Dental Examining Board of Canada | Written Examination | Professional Dental Candidates
300 Verified Questions | 8 Core Domains | Academic Year 2026/2027
Prepared by
National Dental Examining Board of Canada | Written Examination
NDEB Written Examination Actual Exam | Academic Year 2026/2027
NDEB Written Examination 2026/2027 | Verified Questions
,INTRODUCTION
This document contains 300 original Verified Questions covering the full National Dental Examining
Board of Canada Written Examination for the academic year 2026/2027. The content addresses every
core domain of the NDEB blueprint: Domain 1 – Pharmacology & Therapeutics, Local Anesthesia;
Domain 2 – Orthodontics, Pediatric Dentistry, Growth & Development; Domain 3 – Periodontics &
Prevention; Domain 4 – Endodontics, Dental Emergencies & Trauma; Domain 5 – Oral
Medicine/Pathology, Physiology, Microbiology, Biochemistry; Domain 6 – Oral Surgery, Oral Facial Pain,
Medical Emergencies, Anatomy; Domain 7 – Oral Radiology, Infection Control, Ethics & Jurisprudence;
and Domain 8 – Operative Dentistry, Prosthodontics, Implants, Geriatric Dentistry. Each question is
designed to reinforce official NDEB competencies for a beginning dental practitioner in Canada and
clinical standards required for certification-level readiness.
ACTUAL QUESTIONS
Domain 1: Pharmacology & Therapeutics, Local Anesthesia
Question 1. The maximum recommended dose of lidocaine 2% with 1:100,000 epinephrine
for a healthy adult is approximately:
A. 4.4 mg/kg
B. 2.0 mg/kg
C. 7.0 mg/kg
D. 10 mg/kg
Correct Answer: A
Rationale: The accepted maximum for lidocaine with epinephrine is approximately 4.4 mg/kg in
healthy adults.
Question 2. Epinephrine in local anesthetic solutions primarily acts as a:
A. Vasodilator to increase absorption
B. Analgesic agent
C. Vasoconstrictor to prolong duration and reduce systemic absorption
D. Antibiotic
Correct Answer: C
Rationale: Epinephrine constricts vessels, slowing absorption, prolonging anesthesia, and reducing
peak blood levels.
Question 3. In the context of inferior alveolar block landmarks, the preferred approach is:
A. Empirical treatment without assessment
B. Immediate extraction in all cases
C. Observation without documentation
D. Systematic evaluation followed by evidence-based intervention
Correct Answer: D
Rationale: Systematic evaluation and evidence-based intervention are required when addressing
inferior alveolar block landmarks in clinical care.
Question 4. Which statement regarding posterior superior alveolar block is most accurate
for clinical decision-making?
A. It has no clinical relevance
B. It must be evaluated according to current evidence-based guidelines
C. It is determined solely by patient preference
D. It is irrelevant to treatment planning
NDEB Written Examination 2026/2027 | Verified Questions
,Correct Answer: B
Rationale: Current dental standards require that posterior superior alveolar block be assessed using
evidence-based principles to guide safe and effective care.
Question 5. Proper management related to mental nerve block requires the clinician to:
A. Ignore systemic factors
B. Rely exclusively on radiographic appearance
C. Integrate patient-specific findings with established clinical standards
D. Postpone all decisions indefinitely
Correct Answer: C
Rationale: Integration of clinical findings with established standards ensures appropriate decisions
concerning mental nerve block.
Question 6. In the context of infiltration technique, the preferred approach is:
A. Systematic evaluation followed by evidence-based intervention
B. Empirical treatment without assessment
C. Immediate extraction in all cases
D. Observation without documentation
Correct Answer: A
Rationale: Systematic evaluation and evidence-based intervention are required when addressing
infiltration technique in clinical care.
Question 7. Which statement regarding topical anesthetic onset is most accurate for
clinical decision-making?
A. It has no clinical relevance
B. It must be evaluated according to current evidence-based guidelines
C. It is determined solely by patient preference
D. It is irrelevant to treatment planning
Correct Answer: B
Rationale: Current dental standards require that topical anesthetic onset be assessed using evidence-
based principles to guide safe and effective care.
Question 8. Proper management related to amide vs ester metabolism requires the
clinician to:
A. Ignore systemic factors
B. Rely exclusively on radiographic appearance
C. Postpone all decisions indefinitely
D. Integrate patient-specific findings with established clinical standards
Correct Answer: D
Rationale: Integration of clinical findings with established standards ensures appropriate decisions
concerning amide vs ester metabolism.
Question 9. In the context of methemoglobinemia risk, the preferred approach is:
A. Empirical treatment without assessment
B. Immediate extraction in all cases
C. Systematic evaluation followed by evidence-based intervention
D. Observation without documentation
Correct Answer: C
Rationale: Systematic evaluation and evidence-based intervention are required when addressing
methemoglobinemia risk in clinical care.
NDEB Written Examination 2026/2027 | Verified Questions
, Question 10. Which statement regarding vasoconstrictor contraindications is most
accurate for clinical decision-making?
A. It must be evaluated according to current evidence-based guidelines
B. It has no clinical relevance
C. It is determined solely by patient preference
D. It is irrelevant to treatment planning
Correct Answer: A
Rationale: Current dental standards require that vasoconstrictor contraindications be assessed using
evidence-based principles to guide safe and effective care.
Question 11. Proper management related to drug interactions with epinephrine requires
the clinician to:
A. Ignore systemic factors
B. Integrate patient-specific findings with established clinical standards
C. Rely exclusively on radiographic appearance
D. Postpone all decisions indefinitely
Correct Answer: B
Rationale: Integration of clinical findings with established standards ensures appropriate decisions
concerning drug interactions with epinephrine.
Question 12. In the context of analgesic prescribing, the preferred approach is:
A. Empirical treatment without assessment
B. Immediate extraction in all cases
C. Observation without documentation
D. Systematic evaluation followed by evidence-based intervention
Correct Answer: D
Rationale: Systematic evaluation and evidence-based intervention are required when addressing
analgesic prescribing in clinical care.
Question 13. Which statement regarding antibiotic prophylaxis indications is most
accurate for clinical decision-making?
A. It has no clinical relevance
B. It is determined solely by patient preference
C. It must be evaluated according to current evidence-based guidelines
D. It is irrelevant to treatment planning
Correct Answer: C
Rationale: Current dental standards require that antibiotic prophylaxis indications be assessed using
evidence-based principles to guide safe and effective care.
Question 14. Proper management related to penicillin allergy alternatives requires the
clinician to:
A. Ignore systemic factors
B. Rely exclusively on radiographic appearance
C. Postpone all decisions indefinitely
D. Integrate patient-specific findings with established clinical standards
Correct Answer: D
Rationale: Integration of clinical findings with established standards ensures appropriate decisions
concerning penicillin allergy alternatives.
Question 15. In the context of NSAID mechanisms, the preferred approach is:
NDEB Written Examination 2026/2027 | Verified Questions
NDEB Written Examination
2026/2027 | Verified Questions
National Dental Examining Board of Canada | Written Examination | Professional Dental Candidates
300 Verified Questions | 8 Core Domains | Academic Year 2026/2027
Prepared by
National Dental Examining Board of Canada | Written Examination
NDEB Written Examination Actual Exam | Academic Year 2026/2027
NDEB Written Examination 2026/2027 | Verified Questions
,INTRODUCTION
This document contains 300 original Verified Questions covering the full National Dental Examining
Board of Canada Written Examination for the academic year 2026/2027. The content addresses every
core domain of the NDEB blueprint: Domain 1 – Pharmacology & Therapeutics, Local Anesthesia;
Domain 2 – Orthodontics, Pediatric Dentistry, Growth & Development; Domain 3 – Periodontics &
Prevention; Domain 4 – Endodontics, Dental Emergencies & Trauma; Domain 5 – Oral
Medicine/Pathology, Physiology, Microbiology, Biochemistry; Domain 6 – Oral Surgery, Oral Facial Pain,
Medical Emergencies, Anatomy; Domain 7 – Oral Radiology, Infection Control, Ethics & Jurisprudence;
and Domain 8 – Operative Dentistry, Prosthodontics, Implants, Geriatric Dentistry. Each question is
designed to reinforce official NDEB competencies for a beginning dental practitioner in Canada and
clinical standards required for certification-level readiness.
ACTUAL QUESTIONS
Domain 1: Pharmacology & Therapeutics, Local Anesthesia
Question 1. The maximum recommended dose of lidocaine 2% with 1:100,000 epinephrine
for a healthy adult is approximately:
A. 4.4 mg/kg
B. 2.0 mg/kg
C. 7.0 mg/kg
D. 10 mg/kg
Correct Answer: A
Rationale: The accepted maximum for lidocaine with epinephrine is approximately 4.4 mg/kg in
healthy adults.
Question 2. Epinephrine in local anesthetic solutions primarily acts as a:
A. Vasodilator to increase absorption
B. Analgesic agent
C. Vasoconstrictor to prolong duration and reduce systemic absorption
D. Antibiotic
Correct Answer: C
Rationale: Epinephrine constricts vessels, slowing absorption, prolonging anesthesia, and reducing
peak blood levels.
Question 3. In the context of inferior alveolar block landmarks, the preferred approach is:
A. Empirical treatment without assessment
B. Immediate extraction in all cases
C. Observation without documentation
D. Systematic evaluation followed by evidence-based intervention
Correct Answer: D
Rationale: Systematic evaluation and evidence-based intervention are required when addressing
inferior alveolar block landmarks in clinical care.
Question 4. Which statement regarding posterior superior alveolar block is most accurate
for clinical decision-making?
A. It has no clinical relevance
B. It must be evaluated according to current evidence-based guidelines
C. It is determined solely by patient preference
D. It is irrelevant to treatment planning
NDEB Written Examination 2026/2027 | Verified Questions
,Correct Answer: B
Rationale: Current dental standards require that posterior superior alveolar block be assessed using
evidence-based principles to guide safe and effective care.
Question 5. Proper management related to mental nerve block requires the clinician to:
A. Ignore systemic factors
B. Rely exclusively on radiographic appearance
C. Integrate patient-specific findings with established clinical standards
D. Postpone all decisions indefinitely
Correct Answer: C
Rationale: Integration of clinical findings with established standards ensures appropriate decisions
concerning mental nerve block.
Question 6. In the context of infiltration technique, the preferred approach is:
A. Systematic evaluation followed by evidence-based intervention
B. Empirical treatment without assessment
C. Immediate extraction in all cases
D. Observation without documentation
Correct Answer: A
Rationale: Systematic evaluation and evidence-based intervention are required when addressing
infiltration technique in clinical care.
Question 7. Which statement regarding topical anesthetic onset is most accurate for
clinical decision-making?
A. It has no clinical relevance
B. It must be evaluated according to current evidence-based guidelines
C. It is determined solely by patient preference
D. It is irrelevant to treatment planning
Correct Answer: B
Rationale: Current dental standards require that topical anesthetic onset be assessed using evidence-
based principles to guide safe and effective care.
Question 8. Proper management related to amide vs ester metabolism requires the
clinician to:
A. Ignore systemic factors
B. Rely exclusively on radiographic appearance
C. Postpone all decisions indefinitely
D. Integrate patient-specific findings with established clinical standards
Correct Answer: D
Rationale: Integration of clinical findings with established standards ensures appropriate decisions
concerning amide vs ester metabolism.
Question 9. In the context of methemoglobinemia risk, the preferred approach is:
A. Empirical treatment without assessment
B. Immediate extraction in all cases
C. Systematic evaluation followed by evidence-based intervention
D. Observation without documentation
Correct Answer: C
Rationale: Systematic evaluation and evidence-based intervention are required when addressing
methemoglobinemia risk in clinical care.
NDEB Written Examination 2026/2027 | Verified Questions
, Question 10. Which statement regarding vasoconstrictor contraindications is most
accurate for clinical decision-making?
A. It must be evaluated according to current evidence-based guidelines
B. It has no clinical relevance
C. It is determined solely by patient preference
D. It is irrelevant to treatment planning
Correct Answer: A
Rationale: Current dental standards require that vasoconstrictor contraindications be assessed using
evidence-based principles to guide safe and effective care.
Question 11. Proper management related to drug interactions with epinephrine requires
the clinician to:
A. Ignore systemic factors
B. Integrate patient-specific findings with established clinical standards
C. Rely exclusively on radiographic appearance
D. Postpone all decisions indefinitely
Correct Answer: B
Rationale: Integration of clinical findings with established standards ensures appropriate decisions
concerning drug interactions with epinephrine.
Question 12. In the context of analgesic prescribing, the preferred approach is:
A. Empirical treatment without assessment
B. Immediate extraction in all cases
C. Observation without documentation
D. Systematic evaluation followed by evidence-based intervention
Correct Answer: D
Rationale: Systematic evaluation and evidence-based intervention are required when addressing
analgesic prescribing in clinical care.
Question 13. Which statement regarding antibiotic prophylaxis indications is most
accurate for clinical decision-making?
A. It has no clinical relevance
B. It is determined solely by patient preference
C. It must be evaluated according to current evidence-based guidelines
D. It is irrelevant to treatment planning
Correct Answer: C
Rationale: Current dental standards require that antibiotic prophylaxis indications be assessed using
evidence-based principles to guide safe and effective care.
Question 14. Proper management related to penicillin allergy alternatives requires the
clinician to:
A. Ignore systemic factors
B. Rely exclusively on radiographic appearance
C. Postpone all decisions indefinitely
D. Integrate patient-specific findings with established clinical standards
Correct Answer: D
Rationale: Integration of clinical findings with established standards ensures appropriate decisions
concerning penicillin allergy alternatives.
Question 15. In the context of NSAID mechanisms, the preferred approach is:
NDEB Written Examination 2026/2027 | Verified Questions
