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