Question 1

The function of the _____ is to apply force to either move the teeth or hold them in the desired positions.

Accepted Answer

A)  buccal tubes
B)  bracket
C)  arch wire
D)  wire tieE) None of the above
F) C) and D)

Question 2

How is a patient instructed to clean under the arch wire?

Accepted Answer

A)  Use an interproximal brush.
B)  Use a floss threader.
C)  Use a Waterpik.
D)  All of the above are correct.E) B) and C)
F) A) and B)

Question 3

Severe malocclusion and dental facial deformities,both of which can cause social stigma and have a negative effect on a patient's self-esteem,are examples of which type of adversity?

Accepted Answer

A)  Psychosocial function
B)  Oral function
C)  Dental disease
D)  Both a and cE) None of the above
F) A) and B)

Question 4

An anterior open bite refers to which condition?

Accepted Answer

A)  There are no posterior teeth.
B)  There are spaces between teeth in the same arch.
C)  Maxillary and mandibular anterior teeth do not touch.
D)  The teeth contact only during mastication.E) A) and B)
F) B) and D) C

Question 5

Which statement is incorrect about preparing a band for cementation?

Accepted Answer

A)  Wipe attachments with wax or Chapstick.
B)  Place the band occlusal surface down on masking tape.
C)  Place the band gingival surface down on masking tape.
D)  Fill the entire inner surface with cement.E) A) and D)
F) B) and C)

Question 6

Which of the following is used to tie the arch wire into orthodontic brackets?

Accepted Answer

A)  Separating wire
B)  Wire ligatures
C)  Elastomeric ligatures
D)  Both b and cE) None of the above
F) B) and C)

Question 7

_____ are attached to hooks or buttons that are secured on the band or brackets.

Accepted Answer

A)  Springs
B)  Tooth positioners
C)  Elastic separators
D)  ElasticsE) A) and B)
F) All of the above

Question 8

Buccal arch wire tubes are located on which bands?

Accepted Answer

A)  Maxillary first molar
B)  Mandibular premolar
C)  Maxillary central incisors
D)  Mandibular caninesE) All of the above
F) B) and D) A

Question 9

During the frontal evaluation of facial esthetics,why is the face examined?

Accepted Answer

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 angleE) B) and D)
F) C) and D)

Question 10

The orthodontic problems of most people come from an interaction of which of the following? (Select all that apply.)

Accepted Answer

A)  Developmental
B)  Genetic
C)  Environmental
D)  Functional influencesE) B) and D)
F) All of the above

Question 11

Which of the following is used to place elastic separators?

Accepted Answer

A)  Hemostat
B)  Dental floss
C)  Elastic separating pliers
D)  Either b or cE) None of the above
F) B) and D) D

Question 12

What is the purpose of an orthodontic positioner?

Accepted Answer

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 retainerE) A) and B)
F) B) and D)

Question 13

What is the purpose of the headgear tube?

Accepted Answer

A)  It is placed on the upper first molar bands.
B)  It stabilizes the ends of the facebow.
C)  It assists with retention of the arch wire.
D)  Both a and b are purposes.E) A) and C)
F) B) and C)

Question 14

Which instrument is used in the placement of elastomeric ligature ties?

Accepted Answer

A)  Locking hemostat
B)  Pigtail explorer
C)  Scaler
D)  Ligature-tying pliersE) A) and B)
F) All of the above

Question 15

Which instrument removes elastomeric ligature ties?

Accepted Answer

A)  Bird-beak pliers
B)  A spoon excavator
C)  A hemostat
D)  An orthodontic scalerE) B) and D)
F) None of the above

Question 16

When taking photographs,the full direct view includes what?

Accepted Answer

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 molarE) A) and D)
F) None of the above

Question 17

Which condition occurs when the mandible is located ahead of the maxilla?

Accepted Answer

A)  Overbite
B)  Underbite
C)  Retrusion
D)  Centric relationE) B) and D)
F) C) and D)

Question 18

In class _____ occlusion,or distoclusion,the mandibular arch and the body of the mandible are in bilateral,distal relationship to the maxillary teeth.

Accepted Answer

A)  I
B)  II
C)  III
D)  IVE) A) and B)
F) A) and C)

Question 19

During cementation of bands,where is the cement placed?

Accepted Answer

A)  Into the tubes
B)  On the tooth
C)  Outer surface of the band
D)  Inner surface of the bandE) None of the above
F) B) and C)

Question 20

What is overjet?

Accepted Answer

A)  Horizontal distance between maxillary and mandibular teeth
B)  Coronal length of maxillary anterior teeth
C)  Vertical overlap of maxillary and mandibular anterior teeth
D)  Labioversion of the mandibular teethE) B) and C)
F) A) and D)

Exam 60: Orthodontics

The function of the _____ is to apply force to either move the teeth or hold them in the desired positions.

Correct AnswerverifiedShow Answer

How is a patient instructed to clean under the arch wire?

Correct AnswerverifiedShow Answer

Severe malocclusion and dental facial deformities,both of which can cause social stigma and have a negative effect on a patient's self-esteem,are examples of which type of adversity?

Correct AnswerverifiedShow Answer

An anterior open bite refers to which condition?

Correct AnswerverifiedC

Which statement is incorrect about preparing a band for cementation?

Correct AnswerverifiedShow Answer

Which of the following is used to tie the arch wire into orthodontic brackets?

Correct AnswerverifiedShow Answer

_____ are attached to hooks or buttons that are secured on the band or brackets.

Correct AnswerverifiedShow Answer

Buccal arch wire tubes are located on which bands?

Correct AnswerverifiedA

During the frontal evaluation of facial esthetics,why is the face examined?

Correct AnswerverifiedShow Answer

The orthodontic problems of most people come from an interaction of which of the following? (Select all that apply.)

Correct AnswerverifiedShow Answer

Which of the following is used to place elastic separators?

Correct AnswerverifiedD

What is the purpose of an orthodontic positioner?

Correct AnswerverifiedShow Answer

What is the purpose of the headgear tube?

Correct AnswerverifiedShow Answer

Which instrument is used in the placement of elastomeric ligature ties?

Correct AnswerverifiedShow Answer

Which instrument removes elastomeric ligature ties?

Correct AnswerverifiedShow Answer

When taking photographs,the full direct view includes what?

Correct AnswerverifiedShow Answer

Which condition occurs when the mandible is located ahead of the maxilla?

Correct AnswerverifiedShow Answer

In class _____ occlusion,or distoclusion,the mandibular arch and the body of the mandible are in bilateral,distal relationship to the maxillary teeth.

Correct AnswerverifiedShow Answer

During cementation of bands,where is the cement placed?

Correct AnswerverifiedShow Answer

What is overjet?

Correct AnswerverifiedShow Answer

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