EXAM 2025 QUESTIONS AND ANSWERS
The orthodontic problems of most people result from interactions of which? - ANS The
orthodontic problems of most people result from interactions of which?
Developmental influences
Genetic influences
Environmental influences
What is a class II occlusion? - ANS It occurs when the mesiobuccal cusp of the maxillary first
molar occludes in the interdental space between the mandibular second premolar and mesial
cusp of the mandibular second permanent molar
Severe malocclusion and dental facial deformities, both of which can cause social stigma and
have a negative impact a patient's self esteem, are examples of which type of adversity? -
ANS Psychosocial function
During the frontal evaluation of facial esthetics, why is the face examined? - ANS To examine
for bilateral symmetry
When taking photographs, the full direct view includes what? - ANS Intraoral view, with all
teeth in occlusion
Which radiograph is most commonly exposed in an orthodontic patient? -
ANS Cephalometric
Orthodontic fixed - ANS Braces
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,What is the most common type of attachment for fixed appliances? - ANS Bonded bracket
What holds dental arch wires in place? - ANS Ligature ties and elastomeric ties
Which statement is incorrect about sticky candy and gum use during orthodontic treatment? -
ANS It loosens bands, pulls out ligature ties, and bends arch wires.
What is the purpose of an orthodontic positioner? - ANS Retain the teeth in their desired
position
What information is needed for the diagnosis and treatment planning of an orthodontic case? -
ANS Medical and dental histories
Photographs and radiographs
Diagnostic models
In orthodontics, which radiograph is taken to study and make measurements of the skill and
analyze growth patterns? - ANS Cephalometric
Which statement is incorrect pertaining to dental assistant duties in an orthodontic practice? -
ANS The dental assistant makes a diagnosis
What is an advantage of using the patient's model to select bands? - ANS The patient does
not need to be present.
Which of the following is used to tie the arch wire into orthodontic brackets? - ANS Wire
ligatures
Elastomeric ligatures
What is the purpose of the arch wire? - ANS It is a pattern that gives the dental arch its
shape.
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, What does a hook do? - ANS It holds interarch elastics
What is the purpose of the headgear tube? - ANS It stabilizes the ends of the facebow.
On which teeth are brackets most commonly bonded? - ANS anterior teeth and premolars
Arch wires that are made of _____ are useful in early stages of treatment because they are
flexible. - ANS nickel titanium
The arch wire that is used as a "working arch wire" is _______ - ANS Stainless steel
Which type of arch wire would not be used to position the crown and root of the teeth in final
stages of treatment? - ANS Round
Which of the following is used to close space between teeth? - ANS Elastic chains
Which of the following incorrect about customized aligners? - ANS They can be used for all
types of orthodontic treatment
Which instrument removes elastomeric ligature ties? - ANS An orthodontic scaler
In ___________, the mesiobuccal cusp of the maxillary permanent first molar occludes in the
interdental space between the distal cusp of the mandibular first second premolar. -
ANS mesioclusion
In class _________ occlusion, or distoclusion, the mandibular arch and the body of the
mandible are in bilateral, distal relationship to the maxillary teeth. - ANS II
During cementation of bands, where is the cement placed? - ANS Inner surface of the band
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