If a cusp is lost during preparation,which matrix band would provide the best support while restoring?
A)Universal
B)Copper
C)Palodent
D)Extension

Question

Quizplus · Accepted Answer

The extension band is used for the deeper class II preparations that require gingival extensions to compensate for the loss of a cusp.
The universal band is selected for the class II preparation when the proximal "box" is prepared to a minimum depth and width and the cusps are intact.
The copper band system is used with the T-band system for primary teeth.
Palodent is a small,oval-shaped matrix commonly used with posterior composite restorations.

If a Cusp Is Lost During Preparation,which Matrix Band Would