NBDE 2 Ortho UPDATED ACTUAL Exam
Questions and CORRECT Answers
dolycocephalic - CORRECT ANSWER - long narrow face
growth of the mandible is both - CORRECT ANSWER - intramembranous and
endocondral
Based on the scammer growth curve, neural tissues grow until what age - CORRECT
ANSWER - exam says 5 but book says 6-7
what tissue shows most growth in the first 6 years and then plateaus - CORRECT
ANSWER - neural
which is most fully developed at birth - CORRECT ANSWER - neural system
which grows faster? max or mand - CORRECT ANSWER - maxillary grows earlier and
faster b/c it is closer to the brain
what is the best revealing issue for prediction about ossification - CORRECT ANSWER -
wrist hand radiograph
majority of the tissue in the face are derived from - CORRECT ANSWER - ectoderm
erupt sequence of PEDS - CORRECT ANSWER - ABDCE (central, lateral, 1M, canine,
2M)
curve of spee is - CORRECT ANSWER - sagittal (anterior-posterior)
,curve of Wilson is - CORRECT ANSWER - frontal (left and right)
Overjet in permanent teeth should be ? - CORRECT ANSWER - 2-3 mm
how do you camouflage class 2? - CORRECT ANSWER - extract upper 1st PM
based on frank behavioral rating scale, what is the rate that indicates positive rapport with
dentist? - CORRECT ANSWER -4
most appropriate behavioral management technique - CORRECT ANSWER - tell show do
most stable surgical orthodontic treatment - CORRECT ANSWER - maxilla up, mandible
forward, chin in any direction
most problematic surgical orthodontic treatment - CORRECT ANSWER - maxilla down,
mandible back, maxilla wider
facial profile of a class 2 malocclusion - CORRECT ANSWER - convex
facial profile of a class 3 malocclusion - CORRECT ANSWER - concave
what class - MB cusp of maxillary 1st molar in buccal groove of mandibular 1st molar -
CORRECT ANSWER - class 1
what class - MB cusp of maxillary 1st molar is distal to buccal groove of mandibular 1st molar -
CORRECT ANSWER - class 3
distalized occlusion w/ upright central anterior and a deep bite - CORRECT ANSWER -
class 2 division 2
, pt is in mixed dentition and they are end to end - what type of occlusion will this result in in their
permanent dentition? - CORRECT ANSWER - class 1
what class - increased overjet with proclined or normal maxillary incisors - CORRECT
ANSWER - class 2 div 1
whats the difference b/w primary class 2 and permanent class 2 - CORRECT ANSWER -
broad contacts
class 3 is due to - CORRECT ANSWER - maxillary recursive and mandibular protrusive
most common type of occlusion in primary - CORRECT ANSWER - flush terminal place
most common malocclusion - CORRECT ANSWER - class 1
highest percentage of malocclusion in US - CORRECT ANSWER - class 1
what percentage of population have class 1 normal occlusion - CORRECT ANSWER -
30%
what class occlusion gets most anterior tooth function - CORRECT ANSWER - class 2
division 1
most common class of patients to have anterior tooth fractures - CORRECT ANSWER -
class 2 div 1
what class is most susceptible to trauma - CORRECT ANSWER - class 2 div 1
Questions and CORRECT Answers
dolycocephalic - CORRECT ANSWER - long narrow face
growth of the mandible is both - CORRECT ANSWER - intramembranous and
endocondral
Based on the scammer growth curve, neural tissues grow until what age - CORRECT
ANSWER - exam says 5 but book says 6-7
what tissue shows most growth in the first 6 years and then plateaus - CORRECT
ANSWER - neural
which is most fully developed at birth - CORRECT ANSWER - neural system
which grows faster? max or mand - CORRECT ANSWER - maxillary grows earlier and
faster b/c it is closer to the brain
what is the best revealing issue for prediction about ossification - CORRECT ANSWER -
wrist hand radiograph
majority of the tissue in the face are derived from - CORRECT ANSWER - ectoderm
erupt sequence of PEDS - CORRECT ANSWER - ABDCE (central, lateral, 1M, canine,
2M)
curve of spee is - CORRECT ANSWER - sagittal (anterior-posterior)
,curve of Wilson is - CORRECT ANSWER - frontal (left and right)
Overjet in permanent teeth should be ? - CORRECT ANSWER - 2-3 mm
how do you camouflage class 2? - CORRECT ANSWER - extract upper 1st PM
based on frank behavioral rating scale, what is the rate that indicates positive rapport with
dentist? - CORRECT ANSWER -4
most appropriate behavioral management technique - CORRECT ANSWER - tell show do
most stable surgical orthodontic treatment - CORRECT ANSWER - maxilla up, mandible
forward, chin in any direction
most problematic surgical orthodontic treatment - CORRECT ANSWER - maxilla down,
mandible back, maxilla wider
facial profile of a class 2 malocclusion - CORRECT ANSWER - convex
facial profile of a class 3 malocclusion - CORRECT ANSWER - concave
what class - MB cusp of maxillary 1st molar in buccal groove of mandibular 1st molar -
CORRECT ANSWER - class 1
what class - MB cusp of maxillary 1st molar is distal to buccal groove of mandibular 1st molar -
CORRECT ANSWER - class 3
distalized occlusion w/ upright central anterior and a deep bite - CORRECT ANSWER -
class 2 division 2
, pt is in mixed dentition and they are end to end - what type of occlusion will this result in in their
permanent dentition? - CORRECT ANSWER - class 1
what class - increased overjet with proclined or normal maxillary incisors - CORRECT
ANSWER - class 2 div 1
whats the difference b/w primary class 2 and permanent class 2 - CORRECT ANSWER -
broad contacts
class 3 is due to - CORRECT ANSWER - maxillary recursive and mandibular protrusive
most common type of occlusion in primary - CORRECT ANSWER - flush terminal place
most common malocclusion - CORRECT ANSWER - class 1
highest percentage of malocclusion in US - CORRECT ANSWER - class 1
what percentage of population have class 1 normal occlusion - CORRECT ANSWER -
30%
what class occlusion gets most anterior tooth function - CORRECT ANSWER - class 2
division 1
most common class of patients to have anterior tooth fractures - CORRECT ANSWER -
class 2 div 1
what class is most susceptible to trauma - CORRECT ANSWER - class 2 div 1
