MN LDA Licensure Exam 2025 With
100% Correct Answers
The orthodontic problems of most people result from interactions of which of the following? -
CORRECT ANSWER✔✔Developmental Influences
Genetic Influences
Enviromental Influences
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
what is the purpose of the arch wire? - CORRECT ANSWER✔✔It is a pattern that gives the
dental arch its shape.
, 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
100% Correct Answers
The orthodontic problems of most people result from interactions of which of the following? -
CORRECT ANSWER✔✔Developmental Influences
Genetic Influences
Enviromental Influences
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
what is the purpose of the arch wire? - CORRECT ANSWER✔✔It is a pattern that gives the
dental arch its shape.
, 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
