Orthodontic Assistant Actual Practice Exam
Questions With Correct Detailed Answers
Updated 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
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
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
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
Questions With Correct Detailed Answers
Updated 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
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
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
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
