2019 NDEB_Solved Qs&As New Review Update 2024 A+
The principal reason for a cavosurface bevel on an
inlay preparation is to
A. remove undermined enamel.
B. improve marginal adaptation.
C. decrease marginal percolati
...
2019 NDEB_Solved Qs&As New Review Update 2024 A+
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. - ANS-B. improve marginal adaptation.
Lichen planus occurs most frequently on the
A. buccal mucosa.
B. tongue.
C. floor of the mouth.
D. gingiva. - ANS-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. - ANS-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
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. - ANS-B. reduce the tuberosities surgically to provide the
necessary clearance.
In the absence of "Hanks balanced salt solution",
what is the most appropriate media to transport an
avulsed tooth?
A. Saliva.
B. Milk.
C. Saline.
D. Tap water. - ANS-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
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