Chapter 11 Worksheet Flashcards
Most intraoral film is a series of layers. A ______ coating covers the external portion
Plastic or paper
Between the plastic and the radiographic film itself is a ______ ______ _______.
A layer of plastic
Personnel should be protected by use of _______,______, and/or safe ______.
Lead safety aprons, screens, distance
A maximal amount of _____ and supporting bone should be included in the sensor or film
Root
The parallel technique is indicated for radiographs to evaluate ______ _____ _______ and ______ _____.
Mandibular posterior teeth; nasal cavity
The _____ ______ _____ is used when parallel projections cannot be made
Bisecting-angle technique
If the radiographic machine is aimed at the tooth, the x-rays may miss the sensor or film. If anything shows up on the image, it will be distorted by ______.
Elongation
If the radiographic machine is aimed at the sensor or film, the x-rays may miss the tooth. A distorted tooth by ______ is the complication with this approach
Foreshortening
To take a radiograph of the maxillary posterior teeth, the sensor or film is placed in the mouth ______ to the hard palate
Parallel
To take a radiograph of the maxillary posterior teeth, the radiographic machine head is positioned so that it is ______ degrees off the vertical or horizontal plane of the palate and radiographic sensor or film
45
The complete radiographic study can be obtained in as little as ____ views
6
The canine teeth are best evaluated by placing the x-ray generator head ______ degrees from the front of the patient and _______ degrees from the side of the patient
45 ; 45
Blurred or double images are caused by ______ of either the patient or the x-ray machine head
Movement
_______ film is film that has been overexposed, overdeveloped, or exposed to light during processing
Black
Old _______ gives a washed-out background and fogs the film
Developer
