MN Dental Assisting Licensure Exam Questions Marking Scheme Current Update (A+ Pass)
The orthodontic problems of most people result from interactions of which? - Answers -The orthodontic problems of most people result from interactions of which?
Developmental influences
Genetic influences
Env...
MN Dental Assisting Licensure Exam
Questions Marking Scheme Current
Update (A+ Pass)
The orthodontic problems of most people result from interactions of which? - Answers -
The orthodontic problems of most people result from interactions of which?
Developmental influences
Genetic influences
Environmental influences
What is a class II occlusion? - Answers -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? - Answers -Psychosocial function
During the frontal evaluation of facial esthetics, why is the face examined? - Answers -
To examine for bilateral symmetry
When taking photographs, the full direct view includes what? - Answers -Intraoral view,
with all teeth in occlusion
Which radiograph is most commonly exposed in an orthodontic patient? - Answers -
Cephalometric
Orthodontic fixed - Answers -Braces
What is the most common type of attachment for fixed appliances? - Answers -Bonded
bracket
What holds dental arch wires in place? - Answers -Ligature ties and elastomeric ties
Which statement is incorrect about sticky candy and gum use during orthodontic
treatment? - Answers -It loosens bands, pulls out ligature ties, and bends arch wires.
What is the purpose of an orthodontic positioner? - Answers -Retain the teeth in their
desired position
What information is needed for the diagnosis and treatment planning of an orthodontic
case? - Answers -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? - Answers -Cephalometric
Which statement is incorrect pertaining to dental assistant duties in an orthodontic
practice? - Answers -The dental assistant makes a diagnosis
What is an advantage of using the patient's model to select bands? - Answers -The
patient does not need to be present.
Which of the following is used to tie the arch wire into orthodontic brackets? - Answers -
Wire ligatures
Elastomeric ligatures
What is the purpose of the arch wire? - Answers -It is a pattern that gives the dental
arch its shape.
What does a hook do? - Answers -It holds interarch elastics
What is the purpose of the headgear tube? - Answers -It stabilizes the ends of the
facebow.
On which teeth are brackets most commonly bonded? - Answers -anterior teeth and
premolars
Arch wires that are made of _____ are useful in early stages of treatment because they
are flexible. - Answers -nickel titanium
The arch wire that is used as a "working arch wire" is _______ - Answers -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? - Answers -Round
Which of the following is used to close space between teeth? - Answers -Elastic chains
Which of the following incorrect about customized aligners? - Answers -They can be
used for all types of orthodontic treatment
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.
- Answers -mesioclusion
, In class _________ occlusion, or distoclusion, the mandibular arch and the body of the
mandible are in bilateral, distal relationship to the maxillary teeth. - Answers -II
During cementation of bands, where is the cement placed? - Answers -Inner surface of
the band
Which step is first in preparation for bonding the brackets to the teeth? - Answers -
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 ________________. - Answers -tooth; bracket
Buccal arch wire tubes are located on which bands? - Answers -maxillary first molar
What instrument is used to disengage wire ties when removing an arch wire? - Answers
-Ligature cutter
Which instrument is used in the placement of elastomeric ligature ties? - Answers -
Locking hemostat
Before placement of _______, separators may be necessary. - Answers -bands
Wire ligatures should be twisted and cut leaving a _____ mm pigtail. - Answers -4-5
Which statement is incorrect regarding the cut ligature pigtail? - Answers -Tuck towards
the occlusal
______ separators are placed between contacts with a "sawing" or flossing motion. -
Answers -elastomeric
An anterior open bite refers to which condition? - Answers -Maxillary and mandibular
anterior teeth do not touch
What is overjet? - Answers -horizontal distance between maxillary and mandibular teeth
The function of the __________ is to apply force to either move the teeth or hold them
in the desired positions. - Answers -Arch wire
________ are attached to hooks or buttons that are secured on the band or brackets. -
Answers -Elastics
Which instrument contours a band around the tooth to allow for minimal exposed
cement at the margins? - Answers -Band-removing pliers
Which instrument is used in the placement of arch wires? - Answers -Weingart utility
plier
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