MN Dental Assisting Licensure Exam
1. The orthodontic problems of most people result from interactions
of which?
Ans: Developmental influences
Genetic influences
Environmental influences
2. What is a class II occlusion?
Ans: It occurs when the mesiobuccal cusp of the maxillary first molar
occludes in the interdental space between the mandibular second premolar
and mesial cusp of the mandibular second permanent molar.
3. 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?
Ans: Psychosocial function
4. During the frontal evaluation of facial esthetics, why is the face
examined?
Ans: To examine for bilateral symmetry
5. When taking photographs, the full direct view includes what?
Ans: Intraoral view, with all teeth in occlusion
6. Which radiograph is most commonly exposed in an orthodontic
patient?
Ans: -Cephalometric
7. Orthodontic fixed
Ans: Braces
8. What is the most common type of attachment for fixed
appliances?
Ans: Bonded bracket
,9. What holds dental arch wires in place?
Ans: Ligature ties and elastomeric ties
10. Which statement is incorrect about sticky candy and gum use
during orthodontic treatment?
Ans: It loosens bands, pulls out ligature ties, and bends arch wires.
11. What is the purpose of an orthodontic positioner?
Ans: Retain the teeth in their desired position
12. What information is needed for the diagnosis and treatment
planning of an orthodontic case?
Ans: Medical and dental histories
Photographs and radiographs
Diagnostic models
13. In orthodontics, which radiograph is taken to study and make
measurements of the skill and analyze growth patterns?
Ans: Cephalometric
14. Which statement is incorrect pertaining to dental assistant
duties in an orthodontic practice?
Ans: The dental assistant makes a diagnosis
15. What is an advantage of using the patient's model to select
bands?
Ans: The patient does not need to be present.
16. Which of the following is used to tie the arch wire into
orthodontic brackets?
Ans: Wire ligatures
Elastomeric ligatures
17. What is the purpose of the arch wire?
Ans: It is a pattern that gives the dental arch its shape.
18. What does a hook do?
Ans: It holds interarch elastics
, 19. What is the purpose of the headgear tube?
Ans: It stabilizes the ends of the facebow.
20. On which teeth are brackets most commonly bonded?
Ans: anterior teeth and premolars
21. Arch wires that are made of _____ are useful in early stages of
treatment because they are flexible.
Ans: nickel titanium
22. The arch wire that is used as a "working arch wire" is _______
Ans: Stainless steel
23. Which type of arch wire would not be used to position the crown
and root of the teeth in final stages of treatment? Ans: Round
24. Which of the following is used to close space between teeth?
Ans: Elastic chains
25. Which of the following incorrect about customized aligners?
Ans: They can be used for all types of orthodontic treatment
26. Which instrument removes elastomeric ligature ties? Ans: An
orthodontic scaler
27. 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.
Ans: mesioclusion
28. In class _________ occlusion, or distoclusion, the mandibular arch
and the body of the mandible are in bilateral, distal relationship to
the maxillary teeth. Ans: II
29. During cementation of bands, where is the cement placed? Ans:
Inner surface of the band
30. Which step is first in preparation for bonding the brackets to the
teeth?
Ans: -Polish using a FLUORIDE FREE paste
1. The orthodontic problems of most people result from interactions
of which?
Ans: Developmental influences
Genetic influences
Environmental influences
2. What is a class II occlusion?
Ans: It occurs when the mesiobuccal cusp of the maxillary first molar
occludes in the interdental space between the mandibular second premolar
and mesial cusp of the mandibular second permanent molar.
3. 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?
Ans: Psychosocial function
4. During the frontal evaluation of facial esthetics, why is the face
examined?
Ans: To examine for bilateral symmetry
5. When taking photographs, the full direct view includes what?
Ans: Intraoral view, with all teeth in occlusion
6. Which radiograph is most commonly exposed in an orthodontic
patient?
Ans: -Cephalometric
7. Orthodontic fixed
Ans: Braces
8. What is the most common type of attachment for fixed
appliances?
Ans: Bonded bracket
,9. What holds dental arch wires in place?
Ans: Ligature ties and elastomeric ties
10. Which statement is incorrect about sticky candy and gum use
during orthodontic treatment?
Ans: It loosens bands, pulls out ligature ties, and bends arch wires.
11. What is the purpose of an orthodontic positioner?
Ans: Retain the teeth in their desired position
12. What information is needed for the diagnosis and treatment
planning of an orthodontic case?
Ans: Medical and dental histories
Photographs and radiographs
Diagnostic models
13. In orthodontics, which radiograph is taken to study and make
measurements of the skill and analyze growth patterns?
Ans: Cephalometric
14. Which statement is incorrect pertaining to dental assistant
duties in an orthodontic practice?
Ans: The dental assistant makes a diagnosis
15. What is an advantage of using the patient's model to select
bands?
Ans: The patient does not need to be present.
16. Which of the following is used to tie the arch wire into
orthodontic brackets?
Ans: Wire ligatures
Elastomeric ligatures
17. What is the purpose of the arch wire?
Ans: It is a pattern that gives the dental arch its shape.
18. What does a hook do?
Ans: It holds interarch elastics
, 19. What is the purpose of the headgear tube?
Ans: It stabilizes the ends of the facebow.
20. On which teeth are brackets most commonly bonded?
Ans: anterior teeth and premolars
21. Arch wires that are made of _____ are useful in early stages of
treatment because they are flexible.
Ans: nickel titanium
22. The arch wire that is used as a "working arch wire" is _______
Ans: Stainless steel
23. Which type of arch wire would not be used to position the crown
and root of the teeth in final stages of treatment? Ans: Round
24. Which of the following is used to close space between teeth?
Ans: Elastic chains
25. Which of the following incorrect about customized aligners?
Ans: They can be used for all types of orthodontic treatment
26. Which instrument removes elastomeric ligature ties? Ans: An
orthodontic scaler
27. 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.
Ans: mesioclusion
28. In class _________ occlusion, or distoclusion, the mandibular arch
and the body of the mandible are in bilateral, distal relationship to
the maxillary teeth. Ans: II
29. During cementation of bands, where is the cement placed? Ans:
Inner surface of the band
30. Which step is first in preparation for bonding the brackets to the
teeth?
Ans: -Polish using a FLUORIDE FREE paste
