ABO REVIEWED TEST
QUESTIONS AND
CORRECT ANSWERS
GRADED A+ 2025-2026
Where do you superimpose for a 10 year longitudinal study? - ANS-SN at S
HIPAA stands for - ANS-Health Insurance Portability and Accountability Act
What are the advantages to giving PLT rich plasma during sx? - ANS-B/c it contains PLT
derived growth factor, transforming GF, insulin like GF
When does the cranium complete maximum growth? - ANS-Age 7
The most rapid somatic growth occurs from age __ to __ - ANS-0 to 2 yo
Dx for pt w open bite, 27 mm opening, deviates left on opening - ANS-internal DD
without reduction
Paralyzed right lateral pterygoid muscle, which direction will the mn deviate on
opening - ANS-right
DD without reduction what do you see? - ANS-Deviation to affected side, limited
opening/lateral movement
Amount of opening with a closed lock - ANS-23 mm
,What is seen in acute closed lock (3)? - ANS-Deviation upon opening, limited ROM (<27
mm), pain with forced max opening
Significant decalc occurs in __ of ortho patients - ANS-50%,
Patients should avoid large amounts of fluoride to remin enamel T/F - ANS-True
Hypertelorism is seen in __ - ANS-midline (midline cleft causes hypertelorism, large d
between eyes)
Wormian bones are seen in __ and __ - ANS-clediocranial dysplasia and osteogenesis
imperfect
8 bit photography has __ shades of gray. The human eye can see __ shades of gray. -
ANS-256, 16
What % of open bites self-correct? - ANS-80%
Surfaces of TMJ lined by __ - ANS-thin synovial membrane
What is the best imaging method for perf. Disc? - ANS-Arthrography
Which gingival fiber is assoc w the most relapse? - ANS-Supracrestal
If pt has 2 mm CR-CO shift into Cl I in finishing stage, what is the appropriate tx? -
ANS-Equilibrate mn distal inclines and mx mesial inclines
If pt has > 2 mm CR-CO shift into Cl I in finishing stage, what is the appropriate tx? -
ANS-Cl II elastics
,What is the best statistical measure to predict mn growth based on 3 variables? - ANS-
ANOVA
Increase/decrease in voxel size increases resolution - ANS-decrease
Changing voxel size affects magnification T/F - ANS-false
What is the best surgical procedure for pt w TMD? - ANS-IVRO - intraoral vertical
ramus osteotomy
Missing one 3rd molar results in increased rate of small laterals and supernumeraries
T/F - ANS-F, but does result in 13x greater chance to be missing other teeth, 3.5%
chance of missing 2nd premolar
What is the philtrum derived from? - ANS-median nasal process and maxillary process
When do 2 halves of mn symphysis fuse? - ANS-3 mo after birth
When does mineralization of perm 1st molars begin? - ANS-At birth
Sequence of CPR - ANS-30 compressions then 2 breaths
Where are chest compressions given in an adult? - ANS-Lower ½ of sternum
HPHG where to put force to give clockwise moment around mx molar - ANS-distal to
CoRes
Prostaglandins assoc w __, __ and __ - ANS-IFN-gamma, IL-1 and TNF-alpha, NOT
neocytokines
Which syndrome affects both mx and mn and occurs due to disturbance in 1st
trimester? - ANS-Hemifacial microsomia
, Syndesmosis is not a growth site T/F - ANS-T
Max opening is measured from __ to __ - ANS-incisal edge to incisal edge + OB
Pt has unilateral x bite w/o detectable functional shift, what can be done to evaluate? -
ANS-Flat plane splint
Pt has hx of internal derangement w/o joint sounds, pt developed pain in TMJ - ANS-
posterior capsulitis
CL due to failure of fusion of __ and __ - ANS-median nasal process and maxillary
process
Gingival clefting seen when __ is attempted in adults - ANS-orthopedic mx expansion
There is a consensus in the definition of CR T/F - ANS-F
PTH and Throxin increase/decrease tooth movement - ANS-Increase
TMD w open lock, pop when moving laterally to the left - ANS-post displaced disk on
left
Teeth that have been treated endodontically will display less root resorption T/F - ANS-
T
Standard of care - ANS-dental association
C1 and C2 articulate to allow __, the odontoid process (RO structure) is formed by __ -
ANS-rotation of the head, C2 only
QUESTIONS AND
CORRECT ANSWERS
GRADED A+ 2025-2026
Where do you superimpose for a 10 year longitudinal study? - ANS-SN at S
HIPAA stands for - ANS-Health Insurance Portability and Accountability Act
What are the advantages to giving PLT rich plasma during sx? - ANS-B/c it contains PLT
derived growth factor, transforming GF, insulin like GF
When does the cranium complete maximum growth? - ANS-Age 7
The most rapid somatic growth occurs from age __ to __ - ANS-0 to 2 yo
Dx for pt w open bite, 27 mm opening, deviates left on opening - ANS-internal DD
without reduction
Paralyzed right lateral pterygoid muscle, which direction will the mn deviate on
opening - ANS-right
DD without reduction what do you see? - ANS-Deviation to affected side, limited
opening/lateral movement
Amount of opening with a closed lock - ANS-23 mm
,What is seen in acute closed lock (3)? - ANS-Deviation upon opening, limited ROM (<27
mm), pain with forced max opening
Significant decalc occurs in __ of ortho patients - ANS-50%,
Patients should avoid large amounts of fluoride to remin enamel T/F - ANS-True
Hypertelorism is seen in __ - ANS-midline (midline cleft causes hypertelorism, large d
between eyes)
Wormian bones are seen in __ and __ - ANS-clediocranial dysplasia and osteogenesis
imperfect
8 bit photography has __ shades of gray. The human eye can see __ shades of gray. -
ANS-256, 16
What % of open bites self-correct? - ANS-80%
Surfaces of TMJ lined by __ - ANS-thin synovial membrane
What is the best imaging method for perf. Disc? - ANS-Arthrography
Which gingival fiber is assoc w the most relapse? - ANS-Supracrestal
If pt has 2 mm CR-CO shift into Cl I in finishing stage, what is the appropriate tx? -
ANS-Equilibrate mn distal inclines and mx mesial inclines
If pt has > 2 mm CR-CO shift into Cl I in finishing stage, what is the appropriate tx? -
ANS-Cl II elastics
,What is the best statistical measure to predict mn growth based on 3 variables? - ANS-
ANOVA
Increase/decrease in voxel size increases resolution - ANS-decrease
Changing voxel size affects magnification T/F - ANS-false
What is the best surgical procedure for pt w TMD? - ANS-IVRO - intraoral vertical
ramus osteotomy
Missing one 3rd molar results in increased rate of small laterals and supernumeraries
T/F - ANS-F, but does result in 13x greater chance to be missing other teeth, 3.5%
chance of missing 2nd premolar
What is the philtrum derived from? - ANS-median nasal process and maxillary process
When do 2 halves of mn symphysis fuse? - ANS-3 mo after birth
When does mineralization of perm 1st molars begin? - ANS-At birth
Sequence of CPR - ANS-30 compressions then 2 breaths
Where are chest compressions given in an adult? - ANS-Lower ½ of sternum
HPHG where to put force to give clockwise moment around mx molar - ANS-distal to
CoRes
Prostaglandins assoc w __, __ and __ - ANS-IFN-gamma, IL-1 and TNF-alpha, NOT
neocytokines
Which syndrome affects both mx and mn and occurs due to disturbance in 1st
trimester? - ANS-Hemifacial microsomia
, Syndesmosis is not a growth site T/F - ANS-T
Max opening is measured from __ to __ - ANS-incisal edge to incisal edge + OB
Pt has unilateral x bite w/o detectable functional shift, what can be done to evaluate? -
ANS-Flat plane splint
Pt has hx of internal derangement w/o joint sounds, pt developed pain in TMJ - ANS-
posterior capsulitis
CL due to failure of fusion of __ and __ - ANS-median nasal process and maxillary
process
Gingival clefting seen when __ is attempted in adults - ANS-orthopedic mx expansion
There is a consensus in the definition of CR T/F - ANS-F
PTH and Throxin increase/decrease tooth movement - ANS-Increase
TMD w open lock, pop when moving laterally to the left - ANS-post displaced disk on
left
Teeth that have been treated endodontically will display less root resorption T/F - ANS-
T
Standard of care - ANS-dental association
C1 and C2 articulate to allow __, the odontoid process (RO structure) is formed by __ -
ANS-rotation of the head, C2 only
