NDEB Exam | Solved Questions & Answers 2026/2027 | Canadian Dental Exam Prep | Graded A
The pulpal floor of a Class II cavity is cut D. mandibular first premolar.
perpendicular to the long axis of the tooth EXCEPT
in the
A. maxillary first premolar.
B. maxillary second premolar.
C. mandibular second premolar.
D. mandibular first premolar.
Upon examination of an edentulous patient, it is B. reduce the tuberosities surgically to provide the
observed that the tuberosities contact the retromolar necessary clearance.
pads at the correct occlusal vertical dimension. The
treatment of choice is to
A. reduce the retromolar pads surgically to
provide the necessary clearance.
B. reduce the tuberosities surgically to provide the
necessary clearance.
C. construct new dentures at an increased occlusal
vertical dimension to gain the necessary
clearance.
D. proceed with construction of the denture and
reduce the posterior extension of the
mandibular denture to eliminate interferences.
In the absence of "Hanks balanced salt solution", B. Milk.
what is the most appropriate media to transport an
avulsed tooth?
A. Saliva.
B. Milk.
C. Saline.
D. Tap water.
The setting of a zinc-phosphate cement can best be D. cooling the glass mixing slab.
retarded by
A. decreasing the particle size.
B. increasing the concentration of water in the
liquid.
C. increasing the rate of addition of the powder to
the liquid.
D. cooling the glass mixing slab.
What is the most likely diagnosis of a white lesion A. Alveolar ridge keratosis
on the retromolar pad opposing a non-functional
molar?
A. Alveolar ridge keratosis.
B. Candidiasis.
C. Lichen planus.
D. Squamous cell carcinoma
, NDEB Exam | Solved Questions & Answers 2026/2027 | Canadian Dental Exam Prep | Graded A
Which of the following is the most likely cause of B. Systemic corticosteroid therapy.
osteoporosis, glaucoma, hypertension and peptic
ulcers in a 65 year old with Crohn's disease?
A. Uncontrolled diabetes.
B. Systemic corticosteroid therapy.
C. Chronic renal failure.
D. Prolonged NSAID therapy.
E. Malabsorption syndrome.
A hinge axis facebow records E. opening and closing axis of the mandible.
A. Bennett angle.
B. centric relation.
C. lateral condylar inclination.
D. horizontal condylar inclination.
E. opening and closing axis of the mandible.
The most important objective of occlusal adjustment D. achieve a more favorable direction and
of a natural dentition is to distribution of forces of occlusion.
A. prevent temporomandibular joint syndrome.
B. increase the shearing action in mastication.
C. improve oral hygiene by preventing food
impaction.
D. achieve a more favorable direction and
distribution of forces of occlusion.
Which condition has NOT been associated with D. Aphthous ulcerations.
Candida albicans infection?
A. Median rhomboid glossitis.
B. Angular cheilitis.
C. Denture stomatitis.
D. Aphthous ulcerations.
E. Oral hairy leukoplakia.
Which of the following is essential for successful D. Elimination of local etiologic factors.
periodontal treatment?
A. Scaling.
B. Final evaluation and maintenance on a oneyear
recall.
C. Periodontal flap surgery.
D. Elimination of local etiologic factors.
, NDEB Exam | Solved Questions & Answers 2026/2027 | Canadian Dental Exam Prep | Graded A
If a complete mandibular denture causes a burning D. mental branch of the inferior alveolar nerve.
sensation in the premolar region, this is due to the
denture exerting pressure in/on the
A. fibres of the buccinator muscle.
B. lingual branch of the mandibular division of
the trigeminal nerve.
C. underlying bone.
D. mental branch of the inferior alveolar nerve.
E. buccal frenum area.
A hinge axis facebow records E. opening and closing axis of the mandible.
A. Bennett angle.
B. centric relation.
C. lateral condylar inclination.
D. horizontal condylar inclination.
E. opening and closing axis of the mandible.
Which of the following microorganisms are most A. Streptococcus viridans.
frequently found in infected root canals?
A. Streptococcus viridans.
B. Staphylococcus aureus.
C. Lactobacilli.
D. Enterococci.
E. Staphylococcus albus.
The predominant type of movement produced by a B. tipping.
finger spring on a removable appliance is
A. torque.
B. tipping.
C. rotation.
D. translation.
Epinephrine should be administered immediately in C. Severe anaphylaxis.
which of the following emergencies?
A. A severe angina attack.
B. A mild asthmatic attack.
C. Severe anaphylaxis.
D. Severe hypotension
The location and extent of subgingival calculus is C. probing with a fine instrument.
most accurately determined clinically by
A. radiopaque solution used in conjunction with
radiographs.
B. disclosing solution.
C. probing with a fine instrument.
D. visual inspection
Endotoxin is D. All of the above.
A. a cell wall component of gram-negative
bacteria.
B. a potent inflammatory agent.
C. present in diseased root cementum.
D. All of the above.
, NDEB Exam | Solved Questions & Answers 2026/2027 | Canadian Dental Exam Prep | Graded A
In inhalation analgesia, what is the safe maximal C. 70%.
nitrous oxide concentration that can be delivered?
A. 50%.
B. 60%.
C. 70%.
D. 80%.
The bond between porcelain and metal in a A. chemical.
ceramometal (porcelain bonded to metal) crown is
A. chemical.
B. mechanical.
C. equally chemical and mechanical.
D. neither chemical nor mechanical.
The predominant immunoglobulin isolated from C. IgA.
saliva is
A. IgG.
B. IgM.
C. IgA.
D. IgD.
Soft tissue pockets CANNOT be reduced by A. occlusal adjustment.
A. occlusal adjustment.
B. scaling and root planing (debridement).
C. open flap curettage.
D. guided tissue regeneration
Roots of the permanent maxillary central incisors are B. 10 years.
completed by what age?
A. 8 years.
B. 10 years.
C. 12 years.
D. Later than 12 years.
When designing a removable partial denture, A. path of insertion of the planned removable
changing the tilt of the cast on the surveyor alters the partial denture.
A. path of insertion of the planned removable
partial denture.
B. the position of the survey line on the cast.
C. the undercut and non-undercut areas.
D. the direction of forces applied to the partial
denture.
The pulpal floor of a Class II cavity is cut D. mandibular first premolar.
perpendicular to the long axis of the tooth EXCEPT
in the
A. maxillary first premolar.
B. maxillary second premolar.
C. mandibular second premolar.
D. mandibular first premolar.
Upon examination of an edentulous patient, it is B. reduce the tuberosities surgically to provide the
observed that the tuberosities contact the retromolar necessary clearance.
pads at the correct occlusal vertical dimension. The
treatment of choice is to
A. reduce the retromolar pads surgically to
provide the necessary clearance.
B. reduce the tuberosities surgically to provide the
necessary clearance.
C. construct new dentures at an increased occlusal
vertical dimension to gain the necessary
clearance.
D. proceed with construction of the denture and
reduce the posterior extension of the
mandibular denture to eliminate interferences.
In the absence of "Hanks balanced salt solution", B. Milk.
what is the most appropriate media to transport an
avulsed tooth?
A. Saliva.
B. Milk.
C. Saline.
D. Tap water.
The setting of a zinc-phosphate cement can best be D. cooling the glass mixing slab.
retarded by
A. decreasing the particle size.
B. increasing the concentration of water in the
liquid.
C. increasing the rate of addition of the powder to
the liquid.
D. cooling the glass mixing slab.
What is the most likely diagnosis of a white lesion A. Alveolar ridge keratosis
on the retromolar pad opposing a non-functional
molar?
A. Alveolar ridge keratosis.
B. Candidiasis.
C. Lichen planus.
D. Squamous cell carcinoma
, NDEB Exam | Solved Questions & Answers 2026/2027 | Canadian Dental Exam Prep | Graded A
Which of the following is the most likely cause of B. Systemic corticosteroid therapy.
osteoporosis, glaucoma, hypertension and peptic
ulcers in a 65 year old with Crohn's disease?
A. Uncontrolled diabetes.
B. Systemic corticosteroid therapy.
C. Chronic renal failure.
D. Prolonged NSAID therapy.
E. Malabsorption syndrome.
A hinge axis facebow records E. opening and closing axis of the mandible.
A. Bennett angle.
B. centric relation.
C. lateral condylar inclination.
D. horizontal condylar inclination.
E. opening and closing axis of the mandible.
The most important objective of occlusal adjustment D. achieve a more favorable direction and
of a natural dentition is to distribution of forces of occlusion.
A. prevent temporomandibular joint syndrome.
B. increase the shearing action in mastication.
C. improve oral hygiene by preventing food
impaction.
D. achieve a more favorable direction and
distribution of forces of occlusion.
Which condition has NOT been associated with D. Aphthous ulcerations.
Candida albicans infection?
A. Median rhomboid glossitis.
B. Angular cheilitis.
C. Denture stomatitis.
D. Aphthous ulcerations.
E. Oral hairy leukoplakia.
Which of the following is essential for successful D. Elimination of local etiologic factors.
periodontal treatment?
A. Scaling.
B. Final evaluation and maintenance on a oneyear
recall.
C. Periodontal flap surgery.
D. Elimination of local etiologic factors.
, NDEB Exam | Solved Questions & Answers 2026/2027 | Canadian Dental Exam Prep | Graded A
If a complete mandibular denture causes a burning D. mental branch of the inferior alveolar nerve.
sensation in the premolar region, this is due to the
denture exerting pressure in/on the
A. fibres of the buccinator muscle.
B. lingual branch of the mandibular division of
the trigeminal nerve.
C. underlying bone.
D. mental branch of the inferior alveolar nerve.
E. buccal frenum area.
A hinge axis facebow records E. opening and closing axis of the mandible.
A. Bennett angle.
B. centric relation.
C. lateral condylar inclination.
D. horizontal condylar inclination.
E. opening and closing axis of the mandible.
Which of the following microorganisms are most A. Streptococcus viridans.
frequently found in infected root canals?
A. Streptococcus viridans.
B. Staphylococcus aureus.
C. Lactobacilli.
D. Enterococci.
E. Staphylococcus albus.
The predominant type of movement produced by a B. tipping.
finger spring on a removable appliance is
A. torque.
B. tipping.
C. rotation.
D. translation.
Epinephrine should be administered immediately in C. Severe anaphylaxis.
which of the following emergencies?
A. A severe angina attack.
B. A mild asthmatic attack.
C. Severe anaphylaxis.
D. Severe hypotension
The location and extent of subgingival calculus is C. probing with a fine instrument.
most accurately determined clinically by
A. radiopaque solution used in conjunction with
radiographs.
B. disclosing solution.
C. probing with a fine instrument.
D. visual inspection
Endotoxin is D. All of the above.
A. a cell wall component of gram-negative
bacteria.
B. a potent inflammatory agent.
C. present in diseased root cementum.
D. All of the above.
, NDEB Exam | Solved Questions & Answers 2026/2027 | Canadian Dental Exam Prep | Graded A
In inhalation analgesia, what is the safe maximal C. 70%.
nitrous oxide concentration that can be delivered?
A. 50%.
B. 60%.
C. 70%.
D. 80%.
The bond between porcelain and metal in a A. chemical.
ceramometal (porcelain bonded to metal) crown is
A. chemical.
B. mechanical.
C. equally chemical and mechanical.
D. neither chemical nor mechanical.
The predominant immunoglobulin isolated from C. IgA.
saliva is
A. IgG.
B. IgM.
C. IgA.
D. IgD.
Soft tissue pockets CANNOT be reduced by A. occlusal adjustment.
A. occlusal adjustment.
B. scaling and root planing (debridement).
C. open flap curettage.
D. guided tissue regeneration
Roots of the permanent maxillary central incisors are B. 10 years.
completed by what age?
A. 8 years.
B. 10 years.
C. 12 years.
D. Later than 12 years.
When designing a removable partial denture, A. path of insertion of the planned removable
changing the tilt of the cast on the surveyor alters the partial denture.
A. path of insertion of the planned removable
partial denture.
B. the position of the survey line on the cast.
C. the undercut and non-undercut areas.
D. the direction of forces applied to the partial
denture.
