NDEB EXAM NEWEST 2024 ACTUAL EXAM TEST BANK COMPLETE QUESTIONS AND ANSWERS (VERIFIED ANSWERS)
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NDEB EXAM NEWEST 2024 ACTUAL EXAM TEST BANK COMPLETE QUESTIONS AND ANSWERS (VERIFIED ANSWERS)
A sign of gingivitis is
A. bone loss.
B. progressive attachment loss.
C. the presence of minimal attached gingiva.
D. bleeding on probing. - Answer D. bleeding on probing.
When probing a healthy g...
NDEB EXAM NEWEST 2024 ACTUAL
EXAM TEST BANK COMPLETE
QUESTIONS AND ANSWERS (VERIFIED
ANSWERS)
A sign of gingivitis is
A. bone loss.
B. progressive attachment loss.
C. the presence of minimal attached gingiva.
D. bleeding on probing. - Answer ✅ D. bleeding on probing.
When probing a healthy gingival sulcus with a 20g
force, the tip of the periodontal probe is most likely
located
A. coronal to the junctional epithelium.
B. at the level of the junctional epithelium.
C. apical to the junctional epithelium. - Answer ✅ B. at the level of the junctional
epithelium.
A facebow record provides an approximation of the
A. horizontal transverse axis and defines the
position of the maxillary cast.
B. horizontal transverse axis and defines the
position of the mandibular cast.
C. vertical axis and defines the position of the
maxillary cast.
D. vertical axis and defines the position of the
mandibular cast. - Answer ✅ A. horizontal transverse axis and defines the
position of the maxillary cast.
Decreased size or obliteration of pulp chambers and
canals is diagnostic of
A. Hand-Schuller-Christian disease.
B. cleidocranial dysplasia.
C. amelogenesis imperfecta.
D. osteogenesis imperfecta. - Answer ✅ D. osteogenesis imperfecta.
Which of the following is NOT typically associated
with failed endodontic treatment?
A. Enterococcus faecalis.
,B. Actinomyces israelii.
C. Streptococcus mutans.
D. Candida albicans.
E. Prevotella intermedia. - Answer ✅ D. Candida albicans.
The use of a reservoir on the sprue of a wax pattern
decreases
A. volumetric changes in the casting.
B. casting porosity from inclusion of gases.
C. casting porosity from inclusion of foreign
bodies.
D. casting porosity during solidification. - Answer ✅ D. casting porosity during
solidification.
A centric relation record must be used to articulate
casts in which of the following cases?
A. More than one third of the patients occlusal
contacts are to be restored.
B. The vertical dimension of occlusion will be
modified on the articulator.
C. The patient shows signs of a
temporomandibular disorder.
D. The patient's maximum intercuspation and
centric relation do not match. - Answer ✅ B. The vertical dimension of occlusion will be
modified on the articulator.
Which of the following is the principal muscle of the
floor of the mouth?
A. Stylohyoid.
B. Digastric.
C. Geniohyoid.
D. Mylohyoid.
E. Platysma. - Answer ✅ D. Mylohyoid.
A delayed allergic reaction is called a
A. Type I reaction.
B. Type II reaction.
C. Type III reaction.
D. Type IV reaction. - Answer ✅ D. Type IV reaction.
When light cured composite resin restorations are
polymerized
A. a conversion rate of 80-95% is achieved.
B. oxygen improves polymerization of the
surface.
C. cross-linking increases the stiffness of the
,material.
D. shrinkage decreases as conversion rate
increases. - Answer ✅ C. cross-linking increases the stiffness of the
material.
What percentage of 5 - 17 year olds in North
America are caries free?
A. 15 - 25
B. 30 - 45
C. 50 - 60
D. 65 - 75 - Answer ✅ C. 50 - 60
After processing, complete dentures on the original
stone casts are rearticulated in order to correct
occlusal disharmony produced by
A. flasking and processing procedures.
B. inaccurate jaw relation records.
C. errors in registering of centric relation record. - Answer ✅ A. flasking and processing
procedures.
The main reason for adding copper to a dental
amalgam alloy is to
A. increase expansion.
B. reduce tarnish resistance.
C. make amalgamation easier.
D. increase lustre.
E. reduce the tin-mercury phase. - Answer ✅ E. reduce the tin-mercury phase.
A 16 year old healthy patient has good oral hygiene
with minimal plaque and calculus, but severe
interproximal attachment loss affecting the first
molars and incisors. The most likely diagnosis is
A. localized aggressive periodontitis.
B. localized chronic periodontitis.
C. generalized aggressive periodontitis.
D. generalized chronic periodontitis - Answer ✅ A. localized aggressive periodontitis.
Which type of bone grafting material is most likely
to have a successful result?
A. Allogenic.
B. Alloplastic.
C. Autogenous.
D. Xenogenic. - Answer ✅ C. Autogenous.
What is the most likely diagnosis of a white, diffuse,
wrinkled appearing lesion of the buccal mucosa
, which diminishes in prominence or disappears upon
stretching?
A. Leukoedema.
B. Lichen planus.
C. Candidiasis.
D. Linea alba.
E. White sponge nevus. - Answer ✅ A. Leukoedema.
In the design of a removable partial denture, guiding
planes are made
A. parallel to the long axis of the tooth.
B. parallel to the path of insertion.
C. at a right angle to the occlusal plane.
D. at a right angle to the major connector - Answer ✅ B. parallel to the path of insertion.
Which of the following is the most appropriate
treatment for an endodontically treated mandibular
first molar with a previously placed MOD amalgam
restoration?
A. Bonded amalgam restoration.
B. Composite resin restoration.
C. Ceramic inlay.
D. Crown. - Answer ✅ D. Crown.
Which analgesic interferes with platelet
aggregation?
A. Acetaminophen.
B. Ibuprofen.
C. Oxycodone.
D. Codeine. - Answer ✅ B. Ibuprofen.
When probing the sulcus of healthy gingiva, the tip
of the periodontal probe extends
A. to the coronal aspect of the epithelial
attachment.
B. to the alveolar bone crest.
C. apical to the epithelial attachment. - Answer ✅ A. to the coronal aspect of the
epithelial
attachment.
Which of the following, if left untreated, is most
likely to result in a periapical lesion?
A. Internal resorption.
B. Reversible pulpitis.
C. Acute suppurative pulpitis.
D. Chronic hyperplastic pulpitis.
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