Author Question: Moving the inner knob will increase or decrease the size of the loop to match the diameter of the ... (Read 55 times)

robinn137 · **on:** Jun 25, 2018

Moving the inner knob will increase or decrease the size of the loop to match the diameter of the tooth.
a. True
b. False
Indicate whether the statement is true or false

Question 2

If the Tofflemire matrix band becomes creased or bent during assembly, it is thrown away.
a. True
b. False
Indicate whether the statement is true or false

Jayson · **Reply #1 on:** Jun 25, 2018

Answer to Question 1

True
RATIONALE: Moving the inner knob will increase or decrease the size of the loop to match the diameter of the tooth.

Answer to Question 2

False
RATIONALE: If the Tofflemire matrix band becomes creased or bent during assembly, it can be straightened by inserting the handle of the mouth mirror into the loop and running around the inside of the loop.