ORTHODONTIC ASSISTANT FINAL EXAM 2023-2024 ACTUAL EXAM 200 QUESTIONS AND CORRECT
DETAILED ANSWERS
Towards the mid-line of the mouth is referred to as ______ - (answer) Mesial
What is the metal ring, usually on a back tooth, that is cemented to a tooth for strength and anchorage?
- (answer) Band
When the upper teeth sit inside the lower teeth it is called a _______ - (answer) Cross-bite
What is the 2D radiography that captures the entire mouth? - (answer) Panoramic
What are the white marks on the teeth that can become cavities in the future? They are caused by poor
brushing and the consumption of sugary and acidic drinks. - (answer) Decalcification
Situated towards the front of the mouth (cuspids; incisors) - (answer) Anterior
Directed away from the midline of the mouth is referred to as ______ - (answer) Distal
What do you call the vertical overlapping of the teeth, how far the upper teeth overlap the lower front
teeth? - (answer) Overbite
A type of orthodontic appliance that uses jaw movement and muscle action to place selective force on
the teeth and jaws. They are usually fixed. They are also known as orthopedic appliances with names
such as orthopedic corrector, activator, frankel, herbst, forces. - (answer) Functional appliance
A fixed or removable appliance worn after the braces are removed or aligned therapy is complete. -
(answer) Retainer
This instrument is used to hold and move small objects ('ties, wires, etc.) - (answer) Hemostat
, ORTHODONTIC ASSISTANT FINAL EXAM 2023-2024 ACTUAL EXAM 200 QUESTIONS AND CORRECT
DETAILED ANSWERS
This instrument is a handheld device that has a hook or curved blade, it scrapes away plaque and tartar
from the teeth. - (answer) Scaler
This instrument cuts wires close to the buccal tube and safely hold the ends. - (answer) Distal End
Cutter
A hand held motor, usually air-driven (can also be electric), that spins a cutting bur or prophy cup at
50,000 RPM or less. Used for removal of composite, refining a cavity preparation, performing
prophylaxis, and other orthodontic procedures such as trimming acrylic and preforming IPR
(interproximal reduction). - (answer) Slow-speed handpiece
A long handled instrument that allows the patient's bite to push the bands into proper position. -
(answer) Bite stick
Lab is essential to an orthodontic practice and the _______ can make all the difference in quality
fabrications. - (answer) Assistant/Scan/Records
It is important to pour up accurately and intentionally in order to prevent _________. - (answer)
Voids/Breakage
When taking an impression you will use a ________ to register the bite. - (answer) Wax Wafer
Proper ______ are essential for fabricating accurate appliances. - (answer) Impression/Scan
Scanning digitally captures the structure of the teeth and gums and is typically done with _______. -
(answer) I-tero
A _______ must be included in the scan especially when fabricating an aligner system. - (answer) Bite
DETAILED ANSWERS
Towards the mid-line of the mouth is referred to as ______ - (answer) Mesial
What is the metal ring, usually on a back tooth, that is cemented to a tooth for strength and anchorage?
- (answer) Band
When the upper teeth sit inside the lower teeth it is called a _______ - (answer) Cross-bite
What is the 2D radiography that captures the entire mouth? - (answer) Panoramic
What are the white marks on the teeth that can become cavities in the future? They are caused by poor
brushing and the consumption of sugary and acidic drinks. - (answer) Decalcification
Situated towards the front of the mouth (cuspids; incisors) - (answer) Anterior
Directed away from the midline of the mouth is referred to as ______ - (answer) Distal
What do you call the vertical overlapping of the teeth, how far the upper teeth overlap the lower front
teeth? - (answer) Overbite
A type of orthodontic appliance that uses jaw movement and muscle action to place selective force on
the teeth and jaws. They are usually fixed. They are also known as orthopedic appliances with names
such as orthopedic corrector, activator, frankel, herbst, forces. - (answer) Functional appliance
A fixed or removable appliance worn after the braces are removed or aligned therapy is complete. -
(answer) Retainer
This instrument is used to hold and move small objects ('ties, wires, etc.) - (answer) Hemostat
, ORTHODONTIC ASSISTANT FINAL EXAM 2023-2024 ACTUAL EXAM 200 QUESTIONS AND CORRECT
DETAILED ANSWERS
This instrument is a handheld device that has a hook or curved blade, it scrapes away plaque and tartar
from the teeth. - (answer) Scaler
This instrument cuts wires close to the buccal tube and safely hold the ends. - (answer) Distal End
Cutter
A hand held motor, usually air-driven (can also be electric), that spins a cutting bur or prophy cup at
50,000 RPM or less. Used for removal of composite, refining a cavity preparation, performing
prophylaxis, and other orthodontic procedures such as trimming acrylic and preforming IPR
(interproximal reduction). - (answer) Slow-speed handpiece
A long handled instrument that allows the patient's bite to push the bands into proper position. -
(answer) Bite stick
Lab is essential to an orthodontic practice and the _______ can make all the difference in quality
fabrications. - (answer) Assistant/Scan/Records
It is important to pour up accurately and intentionally in order to prevent _________. - (answer)
Voids/Breakage
When taking an impression you will use a ________ to register the bite. - (answer) Wax Wafer
Proper ______ are essential for fabricating accurate appliances. - (answer) Impression/Scan
Scanning digitally captures the structure of the teeth and gums and is typically done with _______. -
(answer) I-tero
A _______ must be included in the scan especially when fabricating an aligner system. - (answer) Bite
