Ortho Final- Wire changed and beyond

Midpoints are marked on brackets, place dimple for light wires to prevent sliding.

• both statements are true

• both statements are false

• first statement is true, second statement is false

• first statement is false, second statement is true

Answer explanation

midpoints are marked on wires

What is the correct sequence when placing orthodontic arch-wires ?

1. make sure the archwire is inserted in proper slot

2. cut approximately to length before or after placement

3. place the archwire in place

• 1,2,3

• 3,2,1

• 2,1,3

• 2, 3, 1

For wire placement the Weingart is used for light round wires only, and the Mathieu is used for heavier square/ rectangular wires.

• Both statements are true

• both statements are false

• first statement is true, second statement is false

• first statement is false, second is true

Answer explanation

Weingart- heavier square/rectangular wires

Mathieu- Light round wires only

Goals of initial wires:

(choose all that apply)

• Level crowns of teeth

• prepare the dentition for aligners

• rotate all teeth into proper positions

• gently begin movement of teeth

True or false:

Initial wires are gentle but continuous forces and are flexible to engage rotations without heavy forces

• true

• false

What type of wire is being shown in the images ?

• Initial wires

• nitinol wires

• final wires

• ligature ties/ wires

Which wire is being describes:

braided and/or round - up to .018 nickel titanium

• Initial wire

• Finishing wire

• Working wire

• Nitinol wire

Which wire is being explained:

Rectangular to torque roots of teeth.

• Initial wires

• Working wire

• Finishing wire

• Nitinol wires

Which wire is being shown in the image ?

• Initial wire

• Working wire

• Final wire

• Nitinol wire

Nitinol wires is also known as ?

• Nickel metal

• Initial metal

• final metal

• memory metal