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?
Upright
