NDEB Exam 2026 NDEB Solved Questions and
Correct Answers||Verified Exam!!||Newest Exam!!!
Epinephrine should be administered immediately in
which of the following emergencies?
A. A severe angina attack.
B. A mild asthmatic attack.
C. Severe anaphylaxis.
D. Severe hypotension - Answer-C. Severe anaphylaxis.
The location and extent of subgingival calculus is
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 - Answer-C. probing with a fine
instrument.
Endotoxin is
A. a cell wall component of gram-negative
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bacteria.
B. a potent inflammatory agent.
C. present in diseased root cementum.
D. All of the above. - Answer-D. All of the above.
In inhalation analgesia, what is the safe maximal
nitrous oxide concentration that can be delivered?
A. 50%.
B. 60%.
C. 70%.
D. 80%. - Answer-C. 70%.
The bond between porcelain and metal in a
ceramometal (porcelain bonded to metal) crown is
A. chemical.
B. mechanical.
C. equally chemical and mechanical.
D. neither chemical nor mechanical. - Answer-A. chemical.
The predominant immunoglobulin isolated from
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saliva is
A. IgG.
B. IgM.
C. IgA.
D. IgD. - Answer-C. IgA.
Soft tissue pockets CANNOT be reduced by
A. occlusal adjustment.
B. scaling and root planing (debridement).
C. open flap curettage.
D. guided tissue regeneration - Answer-A. occlusal
adjustment.
Roots of the permanent maxillary central incisors are
completed by what age?
A. 8 years.
B. 10 years.
C. 12 years.
D. Later than 12 years. - Answer-B. 10 years.
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When designing a removable partial denture,
changing the tilt of the cast on the surveyor alters the
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. - Answer-A. path of insertion of the planned
removable
partial denture.
Increased overjet, moderate facial convexity and a
deep labio-mental sulcus is most characteristic of
which facial type?
A. Prognathic.
B. Orthognathic.
C. Retrognathic. - Answer-C. Retrognathic.
Needle deflection increases as
A. depth of injection increases.