A matrix must be used to create a temporary wall for which of the following classifications of tooth restoration?
A)Class I and class V
B)Class II and class IV
C)Class II and class III
D)Both b and c

Question

Quizplus · Accepted Answer

A matrix is used to create a temporary wall for Class II, Class III, and Class IV restorations, as these involve proximal surfaces where a wall is needed to shape the restoration.

A Matrix Must Be Used to Create a Temporary Wall