CDT Prosthodontic & Orthodontic Appliance Fabrication

Question 1

What is the purpose of a dental retainer?

Accepted Answer

To maintain alignment after braces

Answer

To whiten teeth.

Answer

To strengthen the gums.

Answer

To aid chewing efficiency.

Question 2

Which material is commonly used in denture bases?

Accepted Answer

Acrylic resin

Answer

Gold alloy.

Answer

Zinc oxide.

Answer

Copper.

Question 3

What is a common reason for relining a denture?

Accepted Answer

To improve fit due to tissue changes

Answer

To change tooth color.

Answer

To increase biting force.

Answer

To make it heavier.

Question 4

What is the main function of orthodontic brackets?

Accepted Answer

To support the archwire and guide teeth movement

Answer

To bleach teeth.

Answer

To protect gums.

Answer

To reduce tooth sensitivity.

Question 5

Which appliance is used to expand the upper jaw?

Accepted Answer

Palatal expander

Answer

Headgear.

Answer

Nightguard.

Answer

Space maintainer.

Question 6

What material is commonly used for orthodontic wires?

Accepted Answer

Stainless steel or nickel-titanium

Answer

Aluminum.

Answer

Lead.

Answer

Plastic.

Question 7

Why are dental impressions important for appliance fabrication?

Accepted Answer

To capture detailed anatomical information for appliances

Answer

To determine tooth color.

Answer

To check for tooth decay.

Answer

To test gum health.

Question 8

What process strengthens a metal framework for a partial denture?

Accepted Answer

Casting

Answer

Polishing.

Answer

Cooling.

Answer

Painting.

Question 9

Why are space maintainers used in pediatric dentistry?

Accepted Answer

To maintain space for permanent teeth after premature loss

Answer

To whiten teeth.

Answer

To increase chewing force.

Answer

To reduce cavities.