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Integrated National Board Dental Examination
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INBDE ACTUAL EXAM QUESTIONS (SAMPLE Q&A)
Full version contains complete set of QAs.
Which of the following periods of dentofacial development is sometimes
characterized by the presence of various developmental errors, skeletal alignment, and soft tissue problems?
A. The predentition period
B. Deciduous dentition period
C. Mixed dentition period
D. Permanent dentition period
In some individuals, the mixed dentition period is characterized by the presence of various developmental errors, skeletal alignment, and soft tissue problems.
What shouldn't you do when treating a tooth that has been knocked out?
A. Handle the tooth by the root surface
B. Rinse the tooth in milk, or very briefly in water
C. Immediately replant the tooth in the socket, holding it in place
D. You should do all of the above
You should not handle the tooth by the root surface after it has been knocked out.
Which of the following periods of dentofacial development is characterized by a rapid growth of the jaw in three planes of space?
The predentition period
Deciduous dentition period
Mixed Dentition Period
The predentition period is characterized by a rapid development of both jaws downward, forward, and medially.
Regarding the differences between deciduous and permanent teeth, the roots of deciduous molars are:
A. Longer and more slender
B. Shorter and less slender
C. More stronger and shorter
D. None of the above
The roots of deciduous molars are longer and more slender than the roots of permanent molars. They also have a significant amount of flare.
One of the basic differences between deciduous and permanent teeth is that the
enamel of deciduous teeth is:
Permanent dentition period
Harder and thicker
Thicker and yellowish
Thinner and whiter
None of the above
Enamel of deciduous teeth is thinner and whiter in appearance. The thinness of the enamel in deciduous teeth and its lower level of mineralization could be responsible for its whiter appearance
eruption of which of the following:
A. First four permanent molars
B. First six permanent molars
C. First two permanent premolars
D. First four permanent premolars
The transition from primary to permanent dentition begins about 6 years of age with the eruption of the first four permanent molars. The timing of when the primary teeth are shed affects the emergence of permanent teeth, i.e., early shedding of primary teeth advances the emergence of permanent teeth.
When do the upper deciduous canines usually erupt?
A. 8-12 months
B. 10-14 months
C. 16-20 months
D. 20-24 months
The transition from the deciduous to the permanent dentition begins with the
Both upper and lower deciduous canines usually erupt around 16-20 months.
A 70-year-old will spend how much of his/her life chewing with their deciduous teeth?
6%
12%
20%
40%
An individual who is 70 years old will spend 91% of his/her life chewing with permanent teeth, but the same person will spend only 6% of his/her life chewing with the primary/deciduous teeth.
Which of the following major paired glands produce saliva?
A. Parotid glands
B. Submandibular glands
C. Sublingual glands
D. All of the above
Saliva is produced by three major paired glands (parotid, sublingual, and submandibular) and also by the minor salivary glands.
Which of the following lobes of the brain controls emotions, judgments, and
motor aspects of speech?
A. Parietal lobe
Frontal lobe
Occipital lobe
Temporal lobe