Page 1 of 554
NDEB EXAM LATEST 2025 TEST BANK| NATIONAL
DENTAL EXAMINATION BOARD (CANADIAN) EXAM
REVIEW 2025 WITH COMPLETE 600+ REAL EXAM
QUESTIONS AND CORRECT VERIFIED ANSWERS/
ALREADY GRADED A+|| BRAND NEW!!
The principal reason for a cavosurface bevel on an
inlay preparation is to
A. remove undermined enamel.
B. improve marginal adaptation.
C. decrease marginal percolation.
D. increase resistance and retention forms. .....ANSWER..... B.
improve marginal adaptation.
Lichen planus occurs most frequently on the
A. buccal mucosa.
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B. tongue.
C. floor of the mouth.
D. gingiva. .....ANSWER..... A. buccal mucosa.
The pulpal floor of a Class II cavity is cut
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. .....ANSWER..... D. mandibular first
premolar.
Upon examination of an edentulous patient, it is
observed that the tuberosities contact the retromolar
pads at the correct occlusal vertical dimension. The
,Page 3 of 554
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. .....ANSWER..... B.
reduce the tuberosities surgically to provide the
necessary clearance.
In the absence of "Hanks balanced salt solution",
, Page 4 of 554
what is the most appropriate media to transport an
avulsed tooth?
A. Saliva.
B. Milk.
C. Saline.
D. Tap water. .....ANSWER..... B. Milk.
The setting of a zinc-phosphate cement can best be
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.
NDEB EXAM LATEST 2025 TEST BANK| NATIONAL
DENTAL EXAMINATION BOARD (CANADIAN) EXAM
REVIEW 2025 WITH COMPLETE 600+ REAL EXAM
QUESTIONS AND CORRECT VERIFIED ANSWERS/
ALREADY GRADED A+|| BRAND NEW!!
The principal reason for a cavosurface bevel on an
inlay preparation is to
A. remove undermined enamel.
B. improve marginal adaptation.
C. decrease marginal percolation.
D. increase resistance and retention forms. .....ANSWER..... B.
improve marginal adaptation.
Lichen planus occurs most frequently on the
A. buccal mucosa.
,Page 2 of 554
B. tongue.
C. floor of the mouth.
D. gingiva. .....ANSWER..... A. buccal mucosa.
The pulpal floor of a Class II cavity is cut
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. .....ANSWER..... D. mandibular first
premolar.
Upon examination of an edentulous patient, it is
observed that the tuberosities contact the retromolar
pads at the correct occlusal vertical dimension. The
,Page 3 of 554
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. .....ANSWER..... B.
reduce the tuberosities surgically to provide the
necessary clearance.
In the absence of "Hanks balanced salt solution",
, Page 4 of 554
what is the most appropriate media to transport an
avulsed tooth?
A. Saliva.
B. Milk.
C. Saline.
D. Tap water. .....ANSWER..... B. Milk.
The setting of a zinc-phosphate cement can best be
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.
