NBDE Orthodontics Exam Questions With Verified Answers

NBDE Orthodontics Exam Questions With Verified
Answers

dolycocephalic - Answers-long narrow face

.scammon growth curve - Answers-age 5 (6-7)

.tissue with most growth till age 6, then plateaus - Answers-neural

.tissues in face derived from .... - Answers-ectoderm

.how to camouflage class 2 - Answers-extract upper premolar

.curve of spee vs curve of wilson - Answers-spee= sagital, wilson= frontal

.overjet in permanent teeth sholhd be - Answers-2-3mm

.frank behavior rating scale- positive rapport with dentist - Answers-rating 4

.diff btw primary and permanent class II - Answers-broad contacts

.most stable movements of jaws - Answers-stable- maxilla up, mand forward, chin any
direction

.most common occlusion in primary teeth - Answers-flush plane

.which class is prone to trauma of ant teeth? - Answers-class II, div I

.% of population with class I occlusion - Answers-30%

.permanent molar occlusion in the presence of a flush (straight) terminal plane and
mandibular primate spaces - Answers-erupts end to end, early mesial shift into class I
occlusion

.primate spaces - Answers-max- btw lateral and canine
mand- btw canine and 1st molar

.head gear to correct class III - Answers-reverse pull

.premature loss of this tooth, leading to arch length deficiency - Answers-primary canine

.compared in the transitional dentition analysis - Answers-space available to space
required