California Registered Dental Assistant (RDA) Written Practice Exam

Question: 1 / 400

A plastic matrix strip is used to adapt the shape of a tooth for a(an)?

Crown

Bridge

Composite

A plastic matrix strip is used to adapt the shape of a tooth for a composite. A composite is a type of dental filling that is used to restore damaged or decayed teeth. It is composed of a plastic and glass mixture and is bonded to the tooth with an adhesive. Option A, a crown, is a tooth-shaped cap that is placed over a damaged tooth to restore its shape, size, strength, and appearance. Option B, a bridge, is a prosthetic device that is used to replace one or more missing teeth by attaching to adjacent teeth. Option D, a denture, is a removable replacement for missing teeth and surrounding tissues. None of these options involve the use of a plastic matrix strip.

Get further explanation with Examzify DeepDiveBeta

Denture

Next Question

Report this question

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy