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MN LDA Licensure Exam QUESTIONS COMPLETE SOLUTIONS CURRENT UPDATE (VERIRFIED A+ PASS)
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MN LDA Licensure Exam QUESTIONS COMPLETE SOLUTIONS CURRENT UPDATE (VERIRFIED A+ PASS) The orthodontic problems of most people result from interactions of which of the following? - Answers -Developmental Influences Genetic Influences Enviromental Influences What is Class II occlusion? - An...

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  • September 30, 2024
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  • 2024/2025
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MN LDA Licensure Exam QUESTIONS
COMPLETE SOLUTIONS CURRENT
UPDATE (VERIRFIED A+ PASS)
The orthodontic problems of most people result from interactions of which of the
following? - Answers -Developmental Influences
Genetic Influences
Enviromental Influences

What is 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 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? - Answers -Psychosocial function

During the frontal evaluation of facial esthetics, the face is examined? - Answers -To
examine for bilateral symmetry

When taking photographs, the full direct view includes? - Answers -Intraoral view, with
all the teeth in occlusion

Which radiograph is most commonly exposed on an orthodontic patient? - Answers -
Cephalometric

Orthodontic fixed appliances are also known as what? - 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 skull
and analyze growth patterns? - Answers -caphalometric

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 patients 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 and 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 is incorrect about customized aligners? - Answers -they can be
used for all types of orthodontic treatment

which instrument removes elastomeric ligature ties? - Answers -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 -
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, the cement is placed on the: - 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 places 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 toward
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 bound 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

An orthodontic tooth positioner is not used for what purpose? - Answers -separate the
teeth before banding

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