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            INBDE






            Integrated National Board Dental Examination











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                   INBDE ACTUAL EXAM QUESTIONS (SAMPLE Q&A)

                   Full version contains complete set of QAs.















                Question: 136
                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


                Answer: C


                In some individuals, the mixed dentition period is characterized by the presence
                of various developmental errors, skeletal alignment, and soft tissue problems.




                Question: 137
                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


                Answer: A


                You should not handle the tooth by the root surface after it has been knocked out.




                Question: 138








                Which of the following periods of dentofacial development is characterized by a
                rapid growth of the jaw in three planes of space?

                A. The predentition period
                B. Deciduous dentition period
                C. Mixed Dentition Period
                D. Permanent dentition period

                Answer: A


                The predentition period is characterized by a rapid development of both jaws
                downward, forward, and medially.


                Question: 139
                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

                Answer: A

                The roots of deciduous molars are longer and more slender than the roots of
                permanent molars. They also have a significant amount of flare.


                Question: 140
                One of the basic differences between deciduous and permanent teeth is that the

                enamel of deciduous teeth is:

                A. Harder and thicker
                B. Thicker and yellowish
                C. Thinner and whiter
                D. None of the above

                Answer: C









                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


                Question: 141
                The transition from the deciduous to the permanent dentition begins with the
                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

                Answer: A

                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.


                Question: 142
                When do the upper deciduous canines usually erupt?

                A. 8-12 months
                B. 10-14 months
                C. 16-20 months
                D. 20-24 months

                Answer: C


                Both upper and lower deciduous canines usually erupt around 16-20 months.


                Question: 143
                A 70-year-old will spend how much of his/her life chewing with their deciduous
                teeth?









                A. 6%
                B. 12%
                C. 20%
                D. 40%

                Answer: A

                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.


                Question: 144
                Which of the following major paired glands produce saliva?

                A. Parotid glands
                B. Submandibular glands
                C. Sublingual glands
                D. All of the above

                Answer: D

                Saliva is produced by three major paired glands (parotid, sublingual, and
                submandibular) and also by the minor salivary glands.


                Question: 145
                Which of the following lobes of the brain controls emotions, judgments, and
                motor aspects of speech?


                A. Parietal lobe
                B. Frontal lobe
                C. Occipital lobe
                D. Temporal lobe

                Answer: B














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