Chapter 22 Review

In placing a periapical radiograph, how many inches over the occlusal/incisal edge should the film packet be placed?

1/8

Which of the following are intervals of taking radiographs for routine dental exams?

6 months and 12 months

The ideal temperature of developing solution is ___ degrees.

68

The temperature for automatic processing is around ______ degrees.

90

Which of the following would be periapical radiograph show?

Apical area of a tooth, tooth development, eruption stage

Which observations should be made of a child's mouth before placing films?

Check for loose teeth, cold sores and calculus

The technique error caused by not having enough angulation is

Elongation

Which dental specialist would be the most likely to ask for vertical bite wings?

Periodontist

Which of the following would appear on a bitewing radiograph?

alveolar crest, faulty restorations, caries

Movement by the patients head or the tubehead results in

blurred image

Bitewings will detect which of the following?

caries, calculus and faulty restorations

A film not exposed to radiation results in

clear film

If the beam missed part of the film, the result is

cone cutting

Dark film image is a result of

developing solution being too warm and overdeveloping

Streaks on film are a result of

dirty rollers on an automatic processor and dirty processing racks

Duplication of a radiograph requires

exposed in the daylight, duplication machine, processing method.

The technique error caused by having too much angulation is

foreshortening

Placement of the film backward in the patients mouth results in

herringbone image

In the developing solution, which chemical blackens the exposed silver halide crystals?

hydroquinone

When mounting films, the term used when placing the dot towards the operator is called

labial mounting

Incorrect horizontal angulation results in

overlapping

In the paralleling technique, the film packet must be

parallel to the long axis of the tooth

In the bisecting angle exposure technique, the central beam must be

perpendicular to the bisecting line

Which of the following will the bitewing radiograph cover?

premolar area and molar area

If an automatic processor has a daylight loader, it means the film can be_________.

processed in the daylight

The safelight is of a _______________ spectrum.

red-orange

Brown stain is a result of insufficient

rinsing

Occlusal radiographs May be taken to view which of the following?

supernumerary teeth, cysts, impacted teeth

A general rule of thumb is to fix ___________ as the developing time.

twice as long

Light film image is a result of

underexposure and underdeveloping

In which position should the patient be placed for a bitewing radiograph?

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