Orthodontic Assistant Final Exam - Questions With
Accurate Answers
The following orthodontic appliance is best used to correct a patient with a -
3mm overjet in a 8 year old boy Right Ans - Reverse pull headgear
(facemask)
The following orthodontic appliance is best used to achieve absolute
anchorage so there is no reciprocal movement? Right Ans - TADS
This type of elastic provides the least force Right Ans - 5/16 4.5oz
Class II elastics are places by connecting the elastics to which teeth? Right
Ans - Upper 3's to Lower 6's
Class II elastics are called "class II elastics" because if compliant, it can shift a :
Right Ans - Class II occlusion to a class I occlusion
Class 2 and vertical
(Delta Elastics) Right Ans -
Kobeyashi Tie Right Ans - Helps to achieve a better occlusion
These types of wires exhibit super elasticity, the ability to bend and return to
its original shape Right Ans - NiTi
This type of wire will provide the lightest and most gradual force Right Ans
- NiTi
This type of wire will exhibit the most amount of friction Right Ans - TMA
This wire is NOT likely to be the first wire to be placed immediately after
placing brackets on a patient Right Ans - Rectangular stainless steel
This type of wire is most likely used to close extraction spaces Right Ans -
Rectangular stainless steel
, In brackets that have torque prescription, this type of wire is most likely to
express the torque prescribed Right Ans - 17x25 Stainless Steel
This type of wire is most formable Right Ans - Stainless Steel
This type of wire is temperature sensitive where if it's chilled, it is able to
bend and before formable, but when heated it has memory and goes back to
its original form Right Ans - Copper NiTi
This type of wire has the most strength and stiffness Right Ans - Stainless
Steel
This is NOT an alloy Right Ans - Gold
Cut arch wire with this instrument Right Ans -
The following instrument is used for? Right Ans - Cut stainless steel
ligature ties
Bird beak plier Right Ans - To make bends in arch wire
The ability to be hammered into or compressed into thin sheet without
fracture is Right Ans - Malleability
This is NOT a proper way to position bands is Right Ans - 1.5mm to 2mm of
cusp tip should be showing after properly position banded is seated
The following cement is most sensitive to moisture Right Ans - Componer
A band has the laser inscribed label of LR31, this is most likely Right Ans -
LR1st molar & LR2nd molar
If a metal is stressed beyond its yield point, it can fracture. This phenomenon
is best known as Right Ans - Work hardening
The following cement will provide the strongest bond strength Right Ans -
Resin Modified Glass Ionomer
Accurate Answers
The following orthodontic appliance is best used to correct a patient with a -
3mm overjet in a 8 year old boy Right Ans - Reverse pull headgear
(facemask)
The following orthodontic appliance is best used to achieve absolute
anchorage so there is no reciprocal movement? Right Ans - TADS
This type of elastic provides the least force Right Ans - 5/16 4.5oz
Class II elastics are places by connecting the elastics to which teeth? Right
Ans - Upper 3's to Lower 6's
Class II elastics are called "class II elastics" because if compliant, it can shift a :
Right Ans - Class II occlusion to a class I occlusion
Class 2 and vertical
(Delta Elastics) Right Ans -
Kobeyashi Tie Right Ans - Helps to achieve a better occlusion
These types of wires exhibit super elasticity, the ability to bend and return to
its original shape Right Ans - NiTi
This type of wire will provide the lightest and most gradual force Right Ans
- NiTi
This type of wire will exhibit the most amount of friction Right Ans - TMA
This wire is NOT likely to be the first wire to be placed immediately after
placing brackets on a patient Right Ans - Rectangular stainless steel
This type of wire is most likely used to close extraction spaces Right Ans -
Rectangular stainless steel
, In brackets that have torque prescription, this type of wire is most likely to
express the torque prescribed Right Ans - 17x25 Stainless Steel
This type of wire is most formable Right Ans - Stainless Steel
This type of wire is temperature sensitive where if it's chilled, it is able to
bend and before formable, but when heated it has memory and goes back to
its original form Right Ans - Copper NiTi
This type of wire has the most strength and stiffness Right Ans - Stainless
Steel
This is NOT an alloy Right Ans - Gold
Cut arch wire with this instrument Right Ans -
The following instrument is used for? Right Ans - Cut stainless steel
ligature ties
Bird beak plier Right Ans - To make bends in arch wire
The ability to be hammered into or compressed into thin sheet without
fracture is Right Ans - Malleability
This is NOT a proper way to position bands is Right Ans - 1.5mm to 2mm of
cusp tip should be showing after properly position banded is seated
The following cement is most sensitive to moisture Right Ans - Componer
A band has the laser inscribed label of LR31, this is most likely Right Ans -
LR1st molar & LR2nd molar
If a metal is stressed beyond its yield point, it can fracture. This phenomenon
is best known as Right Ans - Work hardening
The following cement will provide the strongest bond strength Right Ans -
Resin Modified Glass Ionomer
