MN Dental Assistant Licensure Exam 2025/2026 |
Complete Exam with 200 Actual Questions & 100%
Correct Answers
The orthodontic problems of most people result from interactions of which?
Developmental influences
Genetic influences
Environmental influences
What is a class II occlusion? - (ANSWER)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? - (ANSWER)Psychosocial function
During the frontal evaluation of facial esthetics, why is the face examined? -
(ANSWER)To examine for bilateral symmetry
When taking photographs, the full direct view includes what? -
(ANSWER)Intraoral view, with all teeth in occlusion
Which radiograph is most commonly exposed in an orthodontic patient? -
(ANSWER)Cephalometric
, 2
Orthodontic fixed - (ANSWER)Braces
What is the most common type of attachment for fixed appliances? -
(ANSWER)Bonded bracket
What holds dental arch wires in place? - (ANSWER)Ligature ties and elastomeric
ties
Which statement is incorrect about sticky candy and gum use during orthodontic
treatment? - (ANSWER)It loosens bands, pulls out ligature ties, and bends arch
wires.
What is the purpose of an orthodontic positioner? - (ANSWER)Retain the teeth in
their desired position
What information is needed for the diagnosis and treatment planning of an
orthodontic case? - (ANSWER)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? - (ANSWER)Cephalometric
, 3
Which statement is incorrect pertaining to dental assistant duties in an
orthodontic practice? - (ANSWER)The dental assistant makes a diagnosis
What is an advantage of using the patient's model to select bands? -
(ANSWER)The patient does not need to be present.
Which of the following is used to tie the arch wire into orthodontic brackets? -
(ANSWER)Wire ligatures
Elastomeric ligatures
What is the purpose of the arch wire? - (ANSWER)It is a pattern that gives the
dental arch its shape.
What does a hook do? - (ANSWER)It holds interarch elastics
What is the purpose of the headgear tube? - (ANSWER)It stabilizes the ends of
the facebow.
On which teeth are brackets most commonly bonded? - (ANSWER)anterior teeth
and premolars
Arch wires that are made of _____ are useful in early stages of treatment because
they are flexible. - (ANSWER)nickel titanium
, 4
The arch wire that is used as a "working arch wire" is _______ -
(ANSWER)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? - (ANSWER)Round
Which of the following is used to close space between teeth? - (ANSWER)Elastic
chains
Which of the following incorrect about customized aligners? - (ANSWER)They can
be used for all types of orthodontic treatment
Which instrument removes elastomeric ligature ties? - (ANSWER)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. - (ANSWER)mesioclusion
In class _________ occlusion, or distoclusion, the mandibular arch and the body
of the mandible are in bilateral, distal relationship to the maxillary teeth. -
(ANSWER)II
During cementation of bands, where is the cement placed? - (ANSWER)Inner
surface of the band