What is the component of the universal matrix retainer that is always positioned in the mouth facing the gingiva called?
A)Spindle
B)Outer guide slot
C)Inner knob
D)Diagonal slot

Question

Quizplus · Accepted Answer

The diagonal slot of the retainer is always positioned in the mouth with the slot facing toward the gingiva.
The spindle runs the length of the retainer.
The outer guide slot is located at the end of the retainer and serves to guide the loop of the matrix band.
The inner knob is used to change the size of the loop.

What Is the Component of the Universal Matrix Retainer That