Dental X-ray film
The film emulsion is:
Attached to both sides of the film.
The thin lead foil sheet is positioned:
Behind the film
Which type of intraoral film is best for visualizing interproximal surfaces?
Bite-wing
Which type of intraoral film is used to examine the crowns of both the maxillary and the mandibular teeth on one film?
Bite-wing film
Which of the following film should you use on your young pediatric patient if you need to get a radiograph of her maxillary and mandibular teeth on one film?
Bitewing
Which of the following film speed is the fastest film currently available?
F speed film
Which component of x-ray film provides a stable support for the emulsion?
Film base
The film emulsion is composed of a homogenous mixture of:
Gelatin and silver halide crystals
Rare earth screens
Have phosphors that emit green light.
The embossed pattern placed on the lead foil sheet by the manufacturer will reveal
If the film packet is inadvertently positioned in the mouth backward and then exposed.
Which of the following types of dental x-ray film is placed inside the mouth?
Intraoral film
Which of the following statements is true of a two-film packet?
Intraoral x-ray film is a double-emulsion type of film regardless of whether the film packet contains one or two films.
The tube side of the dental film packet
Is a solid white
Duplicating film:
Is not exposed to x-rays AND Has an emulsion on one side only.
Screen film
Is sensitive to fluorescent light.
The invisible pattern of stored energy on the exposed film is called the:
Latent image
Which type of intraoral film is best for examination of large areas of the maxilla or mandible?
Occlusal
Which of the following types of film shows a wide view of the upper and lower jaws on a single radiograph?
Panoramic
A two-film packet requires ____ exposure time as a one-film packet.
The same
A fast film responds more quickly than a slow film, because:
The silver halide crystals in the emulsion are larger.
What is the purpose of the lead foil sheet found within the film packet?
To shield the film from secondary backscattered radiation.
The adhesive layer is added to the ____ before the ____ is(are) applied.
film base; emulsion
Which size of bite-wing film is used to examine posterior teeth in very small children?
0
A # ____ size film is a standard adult periapical film
2
A size # ____ film is the most frequently used bite-wing film
2
Your dentist asks you to take radiographs on your patient in order to check the interproximal surfaces of the posterior maxillary and mandibular teeth for decay. Which type of film would be the best to take the radiograph?
Bitewing
Blue-sensitive screen film must be paired with screens that produce ____ light.
Blue
1) An intensifying screen is a device that transfers x-ray energy into visible light; 2) the visible light, in turn, exposes the screen film.
Both statments are true
Which of the following types of film exhibits the bony and soft tissue areas of the facial profile?
Cephalometric
Film is best stored in an area that is:
Cool and dry
The identification dot is used to:
Determine film orientation
An intensifying screen is a smooth plastic sheet coated with minute fluorescent crystals known as:
Phosphors
The film base is a flexible piece of:
Polyester plastic
During formation of the latent image, irregularities in the lattice structure of the exposed crystal, known as ____, attract silver atoms.
Sensitivity specks
The latent image is stored by the ____ in dental x-ray film.
Silver halide crystals
Which of the following statements is true regarding dental x-ray film and formation of the latent image?
The film is placed to the lingual of the teeth.
The two-film packet may be used:
When a duplicate record of a radiographic examination is needed
When would you use a two-film packet when taking radiographs on your patient?
When a duplicate record of a radiographic examination is needed.
