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Dental Radiograph
Types of film
Faulty Radiographs
Mounting Radiographs
Good Radiograph
100
Where film should be stored
What is a cool, dry place free from chemical contamination
100
used primarily for radiographic examination of the teeth and adjacent tissues to include the periapical region (root tip)
What is periapical film
100
easily recognized by the appearance of more than one image of the object, or objects, on the film.
What is Blurred image
100
Number of film plastic mounts sustain with a full mouth radiograph
What is 16?
100
T/F. To produce the sharpest, most accurate radiographic image of teeth, the teeth to film distance should be as small as possible.
What is true?
200
Films used to view the inside of the mouth
What is intraoral film
200
May be caused by improper angulation of the central ray
What is a Distorted image
200
The _______ determines how much radiation exposure the patient has received.
What is date?
200
The area of "partial shadow"
What is penumbra?
300
The film speed least sensitive to radiation
What is A speed
300
used to help depct depth of caries
What is a Bite-Wing
300
May be caused by failure to immerse the film completely in the developing solution, contact of the film with another film during developing, or improper alignment of the central ray.
What is a Partial Image
300
Three things all radiographic holders should have for identification
What is patient name, dentist name, date films were exposed?
300
Name 2 of the 3 factors of image quality. (HINT: all start with S"
What is sharp, size, or shape?
400
The sensitivity of the emulsion and radiation
What is film speed
400
Films used for radiographs of the jaws, facial bones, TMJ, and other relatively large areas.
What is Extraoral film
400
Type of partial image specifically cause by the improper alignment of the central ray
What is a cone cut
400
Radiographs are mounted so that ________ ______ face the dental assistant.
What is embossed dot
400
T/F. The best radiograph of any tooth is always obtained if the patient sits perfectly upright?
What is false?
500
the film speed most sensitive to radiation
What is F speed
500
A type of extra oral film used for orthodontic analysis
What is a Cephalometric film
500
Appears as a network of wrinkles or corrugations on the emulsion of the x-ray film.
What is Reticulation
500
Radiographs are mounted so that _____ of mandibular teeth are directed upward.
What are apices?
500
Name three of the five rules of Shadow Casting.
What is focal spot should be as small as possible, source to teeth distance should be as long as practical, teeth to film distance should be as small as possible, teeth and film should be parallel to each other, source of radiation should be directed perpendicular to teeth and film