Exam 32: Identification of Restorations, Dental Materials, and Foreign Objects

Which of the following is the most common restorative material used in dentistry?

Porcelain restoration are:

Post and core restorations can be seen in ____ treated teeth.

Diatorics are:

The greatest potential negative consequence of an amalgam overhang is:

Amalgam overhangs can be described as extensions of amalgam seen on dental radiographs beyond the crown portion of a tooth located in the ____ region.

Because metallic restorations absorb x-rays, the area of the film that corresponds to their location remains unexposed, and the metallic restorations appear completely ____ on a dental radiograph.

A base material appears ____. If compared with amalgam, the base material appears ____ radiodense.

Diatorics are found in:

A porcelain-fused-to-metal crown appears:

According to the text, if questions arise as to what is seen on a radiograph concerning dental restorations, materials, or foreign objects, ____ can be used to obtain additional information.

Of the nonmetallic restorations, ____ is the most dense and least radiolucent.

Some manufacturers of composite materials add radiopaque particles to their products to help the viewer differentiate a composite restoration from:

A thin radiopaque line outlining the prepared tooth may be evident on a dental radiograph of an all-porcelain crown. This thin line represents:

A large, well-adapted radiopaque restoration with smooth borders is probably: