Lesson 12 Review (CH32-33)

What characteristic do metallic restorations have on x-ray images?

• They appear radiolucent.

• They appear radiopaque.

• They appear transparent.

• They appear translucent.

How do amalgam restorations typically appear on x-ray images?

• Completely white with smooth edges.

• Completely white with irregular edges.

• Slightly white with smooth edges.

• Slightly white with irregular edges.

Which type of restoration appears completely white but often has a smooth outline?

• Amalgam

• Gold

• Stainless Steel

• Post and Core

What is a characteristic of stainless steel and chrome crowns on x-ray images?

• They appear brighter than gold.

• They appear as bright as amalgam.

• They appear white, but not as bright as gold or amalgam.

• They appear completely transparent.

Where are post and core restorations typically seen?

• In teeth with fillings.

• In teeth with root canals.

• In teeth with crowns.

• In teeth with bridges.

Which material is often used in crowns and veneers and appears light white and smooth?

• Composite

• Acrylic

• Porcelain

• Metal

What is a characteristic of acrylic used in dental restorations?

• Very dense and blocks x-rays

• Appears very light or nearly invisible

• Used for tooth-colored fillings

• Appears dark gray

Composite materials in dental restorations may appear in which colors?

• Dark gray or black

• Light gray or white

• Bright yellow or orange

• Deep blue or green

What are the typical appearances of one-surface amalgam restorations?

• Large, irregular black spots

• Small, round, or oval white spots

• Triangular, dark gray areas

• Rectangular, light gray patches

Where are one-surface amalgam restorations usually seen on a tooth?

• On the incisal edge

• On the occlusal or the buccal or lingual surfaces

• On the root surface

• On the mesial or distal surfaces