Quiz 6 (Radiography) Flashcards
The _________ is the distinct, opaque, uninterrupted, white line parallel to the tooth root as seen on dental radiographs
Lamina dura
Cone beam tomography is useful in which of the following?
(All of these) Creating a three-dimensional rendering of pathology not visible clinically, evaluating the thickness of bone and periodontal ligament, evaluating periodontal and endodoncia disease
Signs of endodoncia disease include all of the following except:
Radiodensity around the apex of the tooth root
Direct radiography
Uses a computer to process the image
Which of the following are uses for dental radiography?
(All of these) identification of neoplasia, evaluation of bone loss, documenting progress of dental therapy
T/F Dental radiology is an essential part of complete dental diagnostic procedures in all patients.
False
Aiming the radiographing cone at the tooth rather than the bisecting angle results in _________ of the image
Elongation
All of the following are components of digital dental radiography units except:
Fixed arm
Routine dental radiographs find pathology not identified during clinical examination in
25% or more of dogs and 40% or more of cats.
Regarding cone beam computed tomography, which of the following is NOT true?
Requires a mental extension for head placement.
When rotating digital images for viewing, the left mandible should have the crown pointing ___________ with the molars located on the ________ side of the screen.
Up; right
Radiographic signs of periodontal disease include
(All of these) Rounding and loss of the alveolar crest, increased periodontal ligament space, horizontal bone loss
When taking dental radiographs
The patient must be under general anesthesia
Intraoral film
(All of these)
Is inexpensive, small, and flexible
Is non-screen film
Can be processed in 1-2 minutes in rapid developer and fixer solutions
According to information in the textbook, a complete dental radiographic study can be obtained in as little as _____ views
6
When viewing dental radiographs, the crown of the maxillary teeth point _________
Down
In the bisecting-angle technique, the x-ray machine head is positioned so that the beam of the x-ray will be ______ the imaginary bisecting-angle line
Perpendicular to
All of the following are true regarding positioning for dental radiography except:
Make sure to position each patient in lateral recumbency for all images
When positioning a patient for dental radiographic imaging, the side of the patient ______ is the side you are viewing
Closest to you
In the normal young patient, radiographs of the teeth will reveal a _______ pulp chamber and _______ dentinal wall
Large; thin
