Orthodontic Assistant Practice Exam Questions and Answers Rated A
Orthodontics is the dental specialty that deals Brass separators are removed by - -cutting
with - -the growth and development of the opposite the pigtail with ligature cutters
jaws and face
What instrument is used to place elastic
The condition in which the mandible is located separators? - -Elastic separating pliers
ahead of the maxilla is called - -
prognathism
The patient should be instructed to clean his or
her retainer - -after each meal
The best way to motivate adolescents toward
good oral hygiene habits is by - -relating to
social acceptance and appearance Cephalometry is - -taking measurements of
the skull
Removal of bands may be accomplished with -
-anterior band slitting pliers Cephalometric tracings are made over - -
extraoral radiographs
A headgear appliance is worn - -as the
orthodontist prescribes The cephalometric headplate taken most often is
the - -lateral skull headplate
A positioner is worn - -after the removal of
fixed appliances An open bite refers to a condition wherein -
-the anterior teeth do not contact
In placing TP springs, an important consideration
is - -to place them from the lingual surface Overjet is the - -horizontal distance
between maxillary and mandibular teeth
The instrument of choice in ligating an archwire
is a - -ligature-tying pliers A type of measuring device commonly used to
take intraoral measurments is a (an) - -
flexible millimeter ruler
Direct bracket bonding is advantage because the
procedure - -allows the dentist less clinical
chair time When seating and sizing bands using a band
pusher type of instrument, it is necessary to
maintain control by - -establishing a stable
The attachment either welded or soldered to the fulcrum before applying pressure
bands that secure the archwire is the - -
bracket
Class III malocclusion is - -a protruded
position of the mandible in relation to the maxilla
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, Orthodontic Assistant Practice Exam Questions and Answers Rated A
The most common type of removable retainer is
a- -Hawley retainer
Vertical overbite refers to the - -vertical
overlap of the incisal edges of maxillary and
mandibular anterior teeth What is used to tie the archwire onto orthodontic
brackets? - -Ligature wire
Class II maloclussion is - -retruded position
of the mandible in relation to the maxilla When removing separators, care must be taken
to - -avoid injuring the interdental papillae
The head-stabilizing device used in
cephalometrics is called a (an) - - A useful instrument for removing elastic
cephalostat separators is - -a sickle scaler
During cementation of bands, the cement is A TP spring is a type of - -Separator
placed - -on all surfaces within the band
An elastic separator is placed by - -
The attachment of anterior plastic brackets stretching and pushing through the contacts
directly to teeth can be accomplished by - -
acid etch bonding
When placing an archwire, one should - -
insert the wire into one side of the buccal tubes,
Cervical anchorage (headgear) is an - - then guide it into the brackets
appliance that exerts distal forces on maxillary
teeth
The importance of the ligature wire is that it -
-holds the archwire in place
After active orthodontic treatment is finished ,
what appliance is used to stabilize the teeth? -
-A retainer When ligating with a tie wire, the tie wire should
be - -bent at a 45-degree angle
When determining the length of a preformed
archwire, you measure the distance from - Select the instrument used to check for loose
-first molar to first molar bands - -Howe pliers
In the removal of an archwire - -ligature After cutting brass wire separators, the pigtails
ties, then the archwire, are removed one side at are cut to - -2-3 mm
a time from the buccal tube
What instrument is used to cut ligature ties in the
2/6
Orthodontics is the dental specialty that deals Brass separators are removed by - -cutting
with - -the growth and development of the opposite the pigtail with ligature cutters
jaws and face
What instrument is used to place elastic
The condition in which the mandible is located separators? - -Elastic separating pliers
ahead of the maxilla is called - -
prognathism
The patient should be instructed to clean his or
her retainer - -after each meal
The best way to motivate adolescents toward
good oral hygiene habits is by - -relating to
social acceptance and appearance Cephalometry is - -taking measurements of
the skull
Removal of bands may be accomplished with -
-anterior band slitting pliers Cephalometric tracings are made over - -
extraoral radiographs
A headgear appliance is worn - -as the
orthodontist prescribes The cephalometric headplate taken most often is
the - -lateral skull headplate
A positioner is worn - -after the removal of
fixed appliances An open bite refers to a condition wherein -
-the anterior teeth do not contact
In placing TP springs, an important consideration
is - -to place them from the lingual surface Overjet is the - -horizontal distance
between maxillary and mandibular teeth
The instrument of choice in ligating an archwire
is a - -ligature-tying pliers A type of measuring device commonly used to
take intraoral measurments is a (an) - -
flexible millimeter ruler
Direct bracket bonding is advantage because the
procedure - -allows the dentist less clinical
chair time When seating and sizing bands using a band
pusher type of instrument, it is necessary to
maintain control by - -establishing a stable
The attachment either welded or soldered to the fulcrum before applying pressure
bands that secure the archwire is the - -
bracket
Class III malocclusion is - -a protruded
position of the mandible in relation to the maxilla
1/6
, Orthodontic Assistant Practice Exam Questions and Answers Rated A
The most common type of removable retainer is
a- -Hawley retainer
Vertical overbite refers to the - -vertical
overlap of the incisal edges of maxillary and
mandibular anterior teeth What is used to tie the archwire onto orthodontic
brackets? - -Ligature wire
Class II maloclussion is - -retruded position
of the mandible in relation to the maxilla When removing separators, care must be taken
to - -avoid injuring the interdental papillae
The head-stabilizing device used in
cephalometrics is called a (an) - - A useful instrument for removing elastic
cephalostat separators is - -a sickle scaler
During cementation of bands, the cement is A TP spring is a type of - -Separator
placed - -on all surfaces within the band
An elastic separator is placed by - -
The attachment of anterior plastic brackets stretching and pushing through the contacts
directly to teeth can be accomplished by - -
acid etch bonding
When placing an archwire, one should - -
insert the wire into one side of the buccal tubes,
Cervical anchorage (headgear) is an - - then guide it into the brackets
appliance that exerts distal forces on maxillary
teeth
The importance of the ligature wire is that it -
-holds the archwire in place
After active orthodontic treatment is finished ,
what appliance is used to stabilize the teeth? -
-A retainer When ligating with a tie wire, the tie wire should
be - -bent at a 45-degree angle
When determining the length of a preformed
archwire, you measure the distance from - Select the instrument used to check for loose
-first molar to first molar bands - -Howe pliers
In the removal of an archwire - -ligature After cutting brass wire separators, the pigtails
ties, then the archwire, are removed one side at are cut to - -2-3 mm
a time from the buccal tube
What instrument is used to cut ligature ties in the
2/6
