MN LDA LICENSURE EXAM QUESTIONS
WITH COMPLETE 100% VERIFIED
SOLUTIONS 2024/2025, EXAMS OF HEALTH
SCIENCES
what is the purpose of the arch wire? Correct Answer It is a
pattern that gives the dental arch its shape.
What is Class II occlusion? Correct Answer It occurs when the
mesiobuccal cusp of the maxillary first molar occludes in the
interdental space between the mandibular second premolar and
the mesial cusp of the mandibular first 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? Correct
Answer Psychosocial function
During the frontal evaluation of facial esthetics, the face is
examined? Correct Answer To examine for bilateral symmetry
When taking photographs, the full direct view includes? Correct
Answer Intraoral view, with all the teeth in occlusion
Which radiograph is most commonly exposed on an orthodontic
patient? Correct Answer Cephalometric
Orthodontic fixed appliances are also known as what? Correct
Answer Braces
What is the most common type of attachment for fixed
appliances? Correct Answer bonded bracket
,what holds dental arch wires in place? Correct Answer ligature
ties and elastomeric ties
which statement is incorrect about sticky candy and gum use
during orthodontic treatment? Correct Answer it loosens bands,
pulls out ligature ties, and bends arch wires
what is the purpose of an orthodontic positioner? Correct Answer
Retain the teeth in their desired position
what information is needed for the diagnosis and treatment
planning of an orthodontic case? Correct Answer medical and
dental histories, photographs and radiographs, diagnostic models
in orthodontics, which radiograph is taken to study and make
measurements of the skull and analyze growth patterns? Correct
Answer caphalometric
which statement is incorrect pertaining to dental assistant duties
in an orthodontic practice? Correct Answer the dental assistant
makes a diagnosis
what is an advantage of using the patients model to select bands?
Correct Answer the patient does not need to be present
which of the following is used to tie the arch wire into orthodontic
brackets? Correct Answer wire ligatures and elastomeric
ligatures
The orthodontic problems of most people result from interactions
of which of the following? Correct Answer Developmental
Influences
Genetic Influences
Enviromental Influences
,what does a hook do? Correct Answer It holds interarch elastics
what is the purpose of the headgear tube? Correct Answer It
stabilizes the ends of the facebow.
on which teeth are brackets most commonly bonded? Correct
Answer anterior teeth and premolars
Arch wires that are made of _____ are useful in early stages of
treatment because they are flexible. Correct Answer nickel
titanium
The arch wire that is used as a "working arch wire" is: Correct
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? Correct Answer
round
which of the following is used to close space between teeth?
Correct Answer elastic chains
which of the following is incorrect about customized aligners?
Correct Answer they can be used for all types of orthodontic
treatment
which instrument removes elastomeric ligature ties? Correct
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 Correct 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 Correct Answer II
During cementation of bands, the cement is placed on the:
Correct Answer inner surface of the band
which step is first in preparation for bonding the brackets to the
teeth? Correct Answer polish using a fluoride free paste
after preparing the tooth for bonding brackets, the sealant is
places on the ____ and the bonding material on the ____. Correct
Answer tooth; bracket
Buccal arch wire tubes are located on which bands? Correct
Answer maxillary first molar
what instrument is used to disengage wire ties when removing an
arch wire? Correct Answer ligature cutter
which instrument is used in the placement of elastomeric ligature
ties? Correct Answer locking hemostat
before placement of_____ separators may be necessary. Correct
Answer bands
Wire ligatures should be twisted and cut leaving a _____ mm
pigtail. Correct Answer 4-5
which statement is incorrect regarding the cut ligature pigtail?
Correct Answer tuck toward the occlusal
_____ separators are placed between contacts with a "sawing" or
flossing motion. Correct Answer elastomeric
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