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RDS 211

The result of improper placement of the wooden wedge is an anatomical shape of the proximal surface of the tooth without any physiological abnormalities.

A)     True

B)      False

One of the matrix band requirements is to be thin enough to pass through the contact and rigid enough to withstand the forces of condensation without deformation.

A)     True

B)      False

What type of dental matrices is shown in the picture below?

                        

A)     Tofflemire matrix

B)      Copper band

C)      Auto-matrix system

D)     Denovo Matrix System

 

RDS 411

Post is indicated in an anterior endodontically treated tooth when enhancement of esthetic or function is required.

A)     True

B)      False

Resin cement material increases the post retention and its easy to remove when needed.

A)     True

B)      False

 

The surface roughness such as air abrading or notching of the post will increase its retention.

A)     True

B)      False