NBDE II - Pediatrics/Orthodontics
Questions and Answers
10 year old patient presents with 2.5mm diastema and a low
attached maxillary labial frenum. what do you do? - correct
answers✅✅observe until after eruption of permanent canines
vertical growth of the mandible is attributed to which structure? -
correct answers✅✅condylar head
leukemia - correct answers✅✅type of cancer of the blood or
bone marrow and is characterized by an abnormal increase of
immature white blood cells
modifies the inflammatory process
what causes discontinuity of the occlusal plane when an
ankylosed tooth is present? - correct answers✅✅continued
eruption of non-ankylosed teeth and growth of the alveolar
process
the most ideal media to store an avulsed tooth that preserves the
viability of the periodontal ligament is? - correct
answers✅✅hank's balanced salt solution
flexion - correct answers✅✅deviation or a bend of less than 90
degrees at the root of the tooth that results from trauma during
development
,NBDE II - Pediatrics/Orthodontics
Questions and Answers
distortion of the ROOT portion ONLY
dilaceration - correct answers✅✅severe angulation or curve in
root or crown of a tooth that occurs at the junction of crown and
root and usually results from trauma during development
distortion of the ROOT AND CROWN
concrescence - correct answers✅✅cementum overlying the
roots of at least 2 teeth connects to join the teeth together
fusion - correct answers✅✅2 buds fuse and must have
confluent (connected) dentin
there are less teeth in the mouth than expected
gemination - correct answers✅✅developing tooth splits off
into 2 distinct teeth that are attached to each other by pulp or
dentin
one tooth bud splits so there are 2 crowns with one shared root
(Siamese twin-like)
also called "twinning"
, NBDE II - Pediatrics/Orthodontics
Questions and Answers
patients have 1 extra tooth
dwarfed root - correct answers✅✅normal sized crowns with
abnormally short roots
found in anterior teeth only (maxillary central incisors most
common)
teeth may be lost at an early age due to passive eruption or
periodontal disease
8 year old patient presents with a fractured right central incisor
that has an exposed pulp
the tooth still has an open apex
the pulp tissue appear to be vital and the tooth is non-mobile
which treatment is indicated? - correct answers✅✅pulpotomy
with calcium hydroxide
cleidocranial dysostosis - correct answers✅✅delayed
ossifcation of midline structures (clavicles), supernumerary teeth,
and prognathic mandible
Questions and Answers
10 year old patient presents with 2.5mm diastema and a low
attached maxillary labial frenum. what do you do? - correct
answers✅✅observe until after eruption of permanent canines
vertical growth of the mandible is attributed to which structure? -
correct answers✅✅condylar head
leukemia - correct answers✅✅type of cancer of the blood or
bone marrow and is characterized by an abnormal increase of
immature white blood cells
modifies the inflammatory process
what causes discontinuity of the occlusal plane when an
ankylosed tooth is present? - correct answers✅✅continued
eruption of non-ankylosed teeth and growth of the alveolar
process
the most ideal media to store an avulsed tooth that preserves the
viability of the periodontal ligament is? - correct
answers✅✅hank's balanced salt solution
flexion - correct answers✅✅deviation or a bend of less than 90
degrees at the root of the tooth that results from trauma during
development
,NBDE II - Pediatrics/Orthodontics
Questions and Answers
distortion of the ROOT portion ONLY
dilaceration - correct answers✅✅severe angulation or curve in
root or crown of a tooth that occurs at the junction of crown and
root and usually results from trauma during development
distortion of the ROOT AND CROWN
concrescence - correct answers✅✅cementum overlying the
roots of at least 2 teeth connects to join the teeth together
fusion - correct answers✅✅2 buds fuse and must have
confluent (connected) dentin
there are less teeth in the mouth than expected
gemination - correct answers✅✅developing tooth splits off
into 2 distinct teeth that are attached to each other by pulp or
dentin
one tooth bud splits so there are 2 crowns with one shared root
(Siamese twin-like)
also called "twinning"
, NBDE II - Pediatrics/Orthodontics
Questions and Answers
patients have 1 extra tooth
dwarfed root - correct answers✅✅normal sized crowns with
abnormally short roots
found in anterior teeth only (maxillary central incisors most
common)
teeth may be lost at an early age due to passive eruption or
periodontal disease
8 year old patient presents with a fractured right central incisor
that has an exposed pulp
the tooth still has an open apex
the pulp tissue appear to be vital and the tooth is non-mobile
which treatment is indicated? - correct answers✅✅pulpotomy
with calcium hydroxide
cleidocranial dysostosis - correct answers✅✅delayed
ossifcation of midline structures (clavicles), supernumerary teeth,
and prognathic mandible
