1|Page
Orthodontic Assistant Practice Exam Questions
and Answers 2025 with complete solution
Orthodontics is the dental specialty that deals with -
.....ANSWER ...✔✔ the growth and development of
the jaws and face
The condition in which the mandible is located ahead of
the maxilla is called - .....ANSWER ...✔✔ prognathism
The best way to motivate adolescents toward good oral
hygiene habits is by - .....ANSWER ...✔✔ relating to
social acceptance and appearance
Removal of bands may be accomplished with -
.....ANSWER ...✔✔ anterior band slitting pliers
A headgear appliance is worn - .....ANSWER ...✔✔
as the orthodontist prescribes
,2|Page
A positioner is worn - .....ANSWER ...✔✔ after the
removal of fixed appliances
In placing TP springs, an important consideration is -
.....ANSWER ...✔✔ to place them from the lingual
surface
The instrument of choice in ligating an archwire is a -
.....ANSWER ...✔✔ ligature-tying pliers
Direct bracket bonding is advantage because the
procedure - .....ANSWER ...✔✔ allows the dentist less
clinical chair time
The attachment either welded or soldered to the bands
that secure the archwire is the - .....ANSWER ...✔✔
bracket
Brass separators are removed by - .....ANSWER
...✔✔ cutting opposite the pigtail with ligature cutters
What instrument is used to place elastic separators? -
.....ANSWER ...✔✔ Elastic separating pliers
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The patient should be instructed to clean his or her
retainer - .....ANSWER ...✔✔ after each meal
Cephalometry is - .....ANSWER ...✔✔ taking
measurements of the skull
Cephalometric tracings are made over - .....ANSWER
...✔✔ extraoral radiographs
The cephalometric headplate taken most often is the -
.....ANSWER ...✔✔ lateral skull headplate
An open bite refers to a condition wherein - .....ANSWER
...✔✔ the anterior teeth do not contact
Overjet is the - .....ANSWER ...✔✔ horizontal distance
between maxillary and mandibular teeth
A type of measuring device commonly used to take
intraoral measurments is a (an) - .....ANSWER ...✔✔
flexible millimeter ruler
, 4|Page
When seating and sizing bands using a band pusher
type of instrument, it is necessary to maintain control by
- .....ANSWER ...✔✔ establishing a stable fulcrum
before applying pressure
Class III malocclusion is - .....ANSWER ...✔✔ a
protruded position of the mandible in relation to the
maxilla
Vertical overbite refers to the - .....ANSWER ...✔✔
vertical overlap of the incisal edges of maxillary and
mandibular anterior teeth
Class II maloclussion is - .....ANSWER ...✔✔ retruded
position of the mandible in relation to the maxilla
The head-stabilizing device used in cephalometrics is
called a (an) - .....ANSWER ...✔✔ cephalostat
During cementation of bands, the cement is placed -
.....ANSWER ...✔✔ on all surfaces within the band
Orthodontic Assistant Practice Exam Questions
and Answers 2025 with complete solution
Orthodontics is the dental specialty that deals with -
.....ANSWER ...✔✔ the growth and development of
the jaws and face
The condition in which the mandible is located ahead of
the maxilla is called - .....ANSWER ...✔✔ prognathism
The best way to motivate adolescents toward good oral
hygiene habits is by - .....ANSWER ...✔✔ relating to
social acceptance and appearance
Removal of bands may be accomplished with -
.....ANSWER ...✔✔ anterior band slitting pliers
A headgear appliance is worn - .....ANSWER ...✔✔
as the orthodontist prescribes
,2|Page
A positioner is worn - .....ANSWER ...✔✔ after the
removal of fixed appliances
In placing TP springs, an important consideration is -
.....ANSWER ...✔✔ to place them from the lingual
surface
The instrument of choice in ligating an archwire is a -
.....ANSWER ...✔✔ ligature-tying pliers
Direct bracket bonding is advantage because the
procedure - .....ANSWER ...✔✔ allows the dentist less
clinical chair time
The attachment either welded or soldered to the bands
that secure the archwire is the - .....ANSWER ...✔✔
bracket
Brass separators are removed by - .....ANSWER
...✔✔ cutting opposite the pigtail with ligature cutters
What instrument is used to place elastic separators? -
.....ANSWER ...✔✔ Elastic separating pliers
,3|Page
The patient should be instructed to clean his or her
retainer - .....ANSWER ...✔✔ after each meal
Cephalometry is - .....ANSWER ...✔✔ taking
measurements of the skull
Cephalometric tracings are made over - .....ANSWER
...✔✔ extraoral radiographs
The cephalometric headplate taken most often is the -
.....ANSWER ...✔✔ lateral skull headplate
An open bite refers to a condition wherein - .....ANSWER
...✔✔ the anterior teeth do not contact
Overjet is the - .....ANSWER ...✔✔ horizontal distance
between maxillary and mandibular teeth
A type of measuring device commonly used to take
intraoral measurments is a (an) - .....ANSWER ...✔✔
flexible millimeter ruler
, 4|Page
When seating and sizing bands using a band pusher
type of instrument, it is necessary to maintain control by
- .....ANSWER ...✔✔ establishing a stable fulcrum
before applying pressure
Class III malocclusion is - .....ANSWER ...✔✔ a
protruded position of the mandible in relation to the
maxilla
Vertical overbite refers to the - .....ANSWER ...✔✔
vertical overlap of the incisal edges of maxillary and
mandibular anterior teeth
Class II maloclussion is - .....ANSWER ...✔✔ retruded
position of the mandible in relation to the maxilla
The head-stabilizing device used in cephalometrics is
called a (an) - .....ANSWER ...✔✔ cephalostat
During cementation of bands, the cement is placed -
.....ANSWER ...✔✔ on all surfaces within the band
