Use of a sandwich technique to control image geometry in clinical studies comparing intraoral xeroradiographs and E-speed films
Journal Article
·
· Oral Surg., Oral Med., Oral Pathol.; (United States)
A method of superimposing a film on a xeroradiographic (XR) cassette for simultaneous intraoral exposure is evaluated for use as an imaging technique in clinical studies comparing Ektaspeed film and XR images. Sandwich images were indistinguishable from those produced by conventional technique. Pilot studies were conducted with 104 patients who had symptomatic dental problems. No significant differences were found in diagnostic usefulness or image quality between XR and film radiographs when sign test analysis was used. The sandwich technique yielded film and XR images with duplicate image geometry while reducing patient exposures to one half of that used in conventional image comparison protocols.
- Research Organization:
- Univ. of Michigan School of Dentistry, Ann Arbor (USA)
- OSTI ID:
- 6973159
- Journal Information:
- Oral Surg., Oral Med., Oral Pathol.; (United States), Vol. 65:5
- Country of Publication:
- United States
- Language:
- English
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62 RADIOLOGY AND NUCLEAR MEDICINE
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DENTISTRY
QUALITY CONTROL
ORAL CAVITY
BIOMEDICAL RADIOGRAPHY
PATIENTS
RADIATION DOSES
COMPARATIVE EVALUATIONS
IMAGE INTENSIFIERS
IMAGE PROCESSING
PHOTOGRAPHIC FILMS
CONTROL
DIAGNOSTIC TECHNIQUES
DIGESTIVE SYSTEM
DOSES
MEDICINE
NUCLEAR MEDICINE
PROCESSING
RADIOLOGY
550602* - Medicine- External Radiation in Diagnostics- (1980-)