Orthodontic Assistant Practice Exam Questions
With 100% Correct Detailed Answers (Verified
Answers) Already Passed And Rated A+
Orthodontics is the dental specialty that deals with - (Correct Answer) the growth and
development of the jaws and face
The condition in which the mandible is located ahead of the maxilla is called - (Correct
Answer) prognathism
The best way to motivate adolescents toward good oral hygiene habits is by - (Correct
Answer) relating to social acceptance and appearance
Removal of bands may be accomplished with - (Correct Answer) anterior band slitting
pliers
A headgear appliance is worn - (Correct Answer) as the orthodontist prescribes
A positioner is worn - (Correct Answer) after the removal of fixed appliances
In placing TP springs, an important consideration is - (Correct Answer) to place them
from the lingual surface
The instrument of choice in ligating an archwire is a - (Correct Answer) ligature-tying
pliers
Direct bracket bonding is advantage because the procedure - (Correct Answer) allows
the dentist less clinical chair time
The attachment either welded or soldered to the bands that secure the archwire is the
- (Correct Answer) bracket
Brass separators are removed by - (Correct Answer) cutting opposite the pigtail with
ligature cutters
What instrument is used to place elastic separators? - (Correct Answer) Elastic
separating pliers
The patient should be instructed to clean his or her retainer - (Correct Answer) after
each meal
, Cephalometry is - (Correct Answer) taking measurements of the skull
Cephalometric tracings are made over - (Correct Answer) extraoral radiographs
The cephalometric headplate taken most often is the - (Correct Answer) lateral skull
headplate
An open bite refers to a condition wherein - (Correct Answer) the anterior teeth do not
contact
Overjet is the - (Correct Answer) horizontal distance between maxillary and
mandibular teeth
A type of measuring device commonly used to take intraoral measurments is a (an) -
(Correct Answer) flexible millimeter ruler
When seating and sizing bands using a band pusher type of instrument, it is necessary
to maintain control by - (Correct Answer) establishing a stable fulcrum before
applying pressure
Class III malocclusion is - (Correct Answer) a protruded position of the mandible in
relation to the maxilla
Vertical overbite refers to the - (Correct Answer) vertical overlap of the incisal edges
of maxillary and mandibular anterior teeth
Class II maloclussion is - (Correct Answer) retruded position of the mandible in
relation to the maxilla
The head-stabilizing device used in cephalometrics is called a (an) - (Correct Answer)
cephalostat
During cementation of bands, the cement is placed - (Correct Answer) on all surfaces
within the band
The attachment of anterior plastic brackets directly to teeth can be accomplished by -
(Correct Answer) acid etch bonding
Cervical anchorage (headgear) is an - (Correct Answer) appliance that exerts distal
forces on maxillary teeth
After active orthodontic treatment is finished , what appliance is used to stabilize the
teeth? - (Correct Answer) A retainer
With 100% Correct Detailed Answers (Verified
Answers) Already Passed And Rated A+
Orthodontics is the dental specialty that deals with - (Correct Answer) the growth and
development of the jaws and face
The condition in which the mandible is located ahead of the maxilla is called - (Correct
Answer) prognathism
The best way to motivate adolescents toward good oral hygiene habits is by - (Correct
Answer) relating to social acceptance and appearance
Removal of bands may be accomplished with - (Correct Answer) anterior band slitting
pliers
A headgear appliance is worn - (Correct Answer) as the orthodontist prescribes
A positioner is worn - (Correct Answer) after the removal of fixed appliances
In placing TP springs, an important consideration is - (Correct Answer) to place them
from the lingual surface
The instrument of choice in ligating an archwire is a - (Correct Answer) ligature-tying
pliers
Direct bracket bonding is advantage because the procedure - (Correct Answer) allows
the dentist less clinical chair time
The attachment either welded or soldered to the bands that secure the archwire is the
- (Correct Answer) bracket
Brass separators are removed by - (Correct Answer) cutting opposite the pigtail with
ligature cutters
What instrument is used to place elastic separators? - (Correct Answer) Elastic
separating pliers
The patient should be instructed to clean his or her retainer - (Correct Answer) after
each meal
, Cephalometry is - (Correct Answer) taking measurements of the skull
Cephalometric tracings are made over - (Correct Answer) extraoral radiographs
The cephalometric headplate taken most often is the - (Correct Answer) lateral skull
headplate
An open bite refers to a condition wherein - (Correct Answer) the anterior teeth do not
contact
Overjet is the - (Correct Answer) horizontal distance between maxillary and
mandibular teeth
A type of measuring device commonly used to take intraoral measurments is a (an) -
(Correct Answer) flexible millimeter ruler
When seating and sizing bands using a band pusher type of instrument, it is necessary
to maintain control by - (Correct Answer) establishing a stable fulcrum before
applying pressure
Class III malocclusion is - (Correct Answer) a protruded position of the mandible in
relation to the maxilla
Vertical overbite refers to the - (Correct Answer) vertical overlap of the incisal edges
of maxillary and mandibular anterior teeth
Class II maloclussion is - (Correct Answer) retruded position of the mandible in
relation to the maxilla
The head-stabilizing device used in cephalometrics is called a (an) - (Correct Answer)
cephalostat
During cementation of bands, the cement is placed - (Correct Answer) on all surfaces
within the band
The attachment of anterior plastic brackets directly to teeth can be accomplished by -
(Correct Answer) acid etch bonding
Cervical anchorage (headgear) is an - (Correct Answer) appliance that exerts distal
forces on maxillary teeth
After active orthodontic treatment is finished , what appliance is used to stabilize the
teeth? - (Correct Answer) A retainer
