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DASLE Review Questions and Answers 2023 with complete solution The orthodontic problems of most people result from interactions of which of the following? A. Developmental influences B. Genetic influences C. environmental influences D. All of the above All of the above What is Class 2 Oc...

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  • March 27, 2023
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  • dasle review questions and answers 2023 with complete solution the orthodontic problems of most people result from interactions of which of the following a developmental influences b genetic infl

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DASLE Review Questions and Answers 2023 with
complete solution
The orthodontic problems of most people result from interactions of which of the
following?

A. Developmental influences
B. Genetic influences
C. environmental influences
D. All of the above
All of the above
What is Class 2 Occlusion

A. it is normal occlusion
B. It is mesiooclusion
C. it occurs when the mesiobuccal cusp of the maxillary first molar occluded in the
interdental space between the mandibular second premolar and the mesial cusp of the
mandibular first molar
D. it occurs when the mesiobuccal cusp of the maxillary first molar occludes in the
interdental space between the distal cusp of the mandibular first permanent molar and
the mesial cusp of the mandibular second permanent molar
it occurs when the mesiobuccal cusp of the maxillary first molar occluded 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 effect on a patients self esteem, are examples of which
type of adversity

A. psychosocial function
B. Oral function
C. dental disease
D. both a and c
Psychosocial function
During the frontal evaluation of facial esthetics, why is the face examined?

A. to determine whether the jaws are proportionately positioned
B. to evaluate lip protrusion
C. To examine for bilateral symmetry
D. to evaluate the vertical facial proportions and the mandibular angle
To examine for bilateral symmetry
When taking photographs, the full direct view includes what?

A. Extraoral frontal view, with the lips in a relaxed position
B. Intraoral view, with all teeth in occlusion

,C. extraoral profile view of the patient's right side with the lips in a relaxed position
D. intraoral right buccal view, with the distal of the canine to the distal of the last molar.
Intraoral view, with all teeth in occlusion
Which radiograph is most commonly exposed on an orthodontic patient?

A. FMX
B. Panoramic
C. Cephalometric
D. Bite wing
Cephalometric
Orthodontic fixed appliances are also known as what?

A. Braces
B. separators
C. Hawley retainers
D. clear aligners
Braces
What is the most common type of attachment for fixed appliances

A. orthodnotic band
B. bonded bracket
C. arch wire
D. separator
Bonded bracket
What holds dental arch wires in place

A. ligature ties
B. dental cement
C. elastomeric ties
D. both a and c
Both a and c
Which statement is incorrect about sticky candy and gum use during orthodontic
treatment?

A. it weakens cement beneath-bands, causing bands to loosen
B. it loosens bands, pulls out ligature ties, and bends arch wires
C. it lodges between bands and beneath arch wires, causing irritation to gum tissues
D. it can increase the chance of carious leasions
it loosens bands, pulls out ligature ties, and bends arch wires
What is the purpose of an orthodontic positioner?
A. to move the teeth
B. to retain the teeth in their desired position
C. to reposition the teeth during orthodontic treatment
D. to act as a permanent retainer
To retain the teeth in their desired position

,What information is needed for the diagnosis and treatment planning of an orthodontic
case?

A. medical and dental histories
B. photographs and radiographs
C. diagnostic models
D. all of the above
All of the above
In orthodontics, which radiograph is taken to study and make measurements of the skull
and analyze growth patterns

A. panoramic
B. cephalometric
C. bitewing
D. occlusal
cephalometric
Which statement is incorrect pertaining to dental assistant duties in an orthodontic
practice?

A. The dental assistant motivates and reinforces oral home care
B. the dental assistant makes a diagnosis
C. the dental assistant makes appliance adjustments
D. the dental assistant takes and fabricates diagnostic records
The dental assistant makes a diagnosis
What is an advantage of using the patient's model to select bands?

A. the patient does not need to be present
B. it is more accurate
C. Neither are advantages
D. both are advantages
The patient does not need to be present
Which of the following is used to tie the arch wire into orthodontic brackets?

A. separating wire
B. wire ligatures
C. elastomeric ligatures
D. both b and c
both b and c
What is the purpose of the arch wire?

A. it is a pattern that gives the dental arch its shape
B. it holds inter arch elastics
C. it bonds directly to the teeth
D. it stabilizes the ends of a facebow
It is a pattern that gives the dental arch its shape

, What does a hook do?

A. it attaches a bracket to a tooth
B. it holds inter arch elastics
C. it stabilizes the ends of a face bow
D. it holds the arch wire in place
It holds inter arch elastics
What is the purpose of the headgear tube?

A. it is placed on the upper first molar bands
B. it stabilizes the ends of the face bow
C. it assists with retention of the arch wire
D. both a and b are purposes
it stabilizes the ends of the face bow
On which teeth are brackets most commonly bonded

A. anterior teeth
B. premolars
C. molars
D. both a and b
both a and b
Arch wires that are made of ____ are useful in early stages of treatment because they
are flexible

A. nickle titanium
B. stainless steel
C. beta titanium
D. opti flex
nickel titanium
The arch wire that is used as a "working arch wire" is:

A. nickel titanium
B. stainless steel
C. beta titanium
D. opti flex
Stainless steel
Which type of arch wire would not be used to position the crown and root of the teeth in
final stages treatment?

A. round
B. square
C. retangular
D. all of the above
round
Which of the following is used to close space between teeth?

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