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MN LDA Licensure Exam Questions and Answers
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MN LDA Licensure Exam Questions and Answers The orthodontic problems of most people result from interactions of which of the following? Developmental Influences Genetic Influences Enviromental Influences What is Class II occlusion? It occurs when the mesiobuccal cusp of the maxillary fi...

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  • September 8, 2024
  • 16
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • mn lda licensure exam questions and answers
  • the orthodontic problems of most people result fro
  • what is class ii occlusion it occurs when the mes

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MN LDA Licensure Exam Questions and
Answers

The orthodontic problems of most people result from interactions of which of the
following? - answer Developmental Influences
Genetic Influences
Enviromental Influences

What is 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 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? - answer Psychosocial function

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

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

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

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

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 patients 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 and 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

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 is 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, the cement is placed on the: - answer inner surface of
the band

which step is first in preparation for bonding the brackets to the teeth? - 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 ____. - answer tooth; bracket

Buccal arch wire tubes are located on which bands? - answer maxillary first molar

what instrument is used to disengage wire ties when removing an arch wire? - answer
ligature cutter

which instrument is used in the placement of elastomeric ligature ties? - answer
locking hemostat

before placement of_____ separators may be necessary. - answer bands

Wire ligatures should be twisted and cut leaving a _____ mm pigtail. - answer 4-5

which statement is incorrect regarding the cut ligature pigtail? - answer tuck toward
the occlusal

_____ separators are placed between contacts with a "sawing" or flossing motion. -
answer elastomeric

An anterior open bite refers to which condition? - answer Maxillary and mandibular
anterior teeth do not touch

What is overjet? - answer 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. - answer arch wire

____ are attached to hooks or buttons that are secured on the band or brackets -
answer elastics

which instrument contours a bound around the tooth to allow for minimal exposed
cement at the margins? - answer band removing pliers

which instrument is used in the placement of arch wires? - answer weingart utility
plier

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