Results 211 to 220 of about 10,045 (254)
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Panoramic radiography in dentistry.
Refu'at ha-peh veha-shinayim (Tel Aviv, Israel : 1969), 1977Examples of panoramic radiography equipment in use are briefly reviewed and the differences pointed out between those operating on the principle of tomography and other "panoramic" instruments. The various uses to which panoramic radiography is put are described and the problems involved in using them explained.
I, Kaffe, D, Fishel, M, Gorsky
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Dimensions of the Focal Trough in Panoramic Radiography
The Journal of the American Dental Association, 1972A method of radiographing target pins in a known repeatable position was devised so that the outline of the focal area in the panoramic radiograph unit could be delineated. A pin-holding device was so designed that target pins could be moved across the area of focus in three parallel planes.
Cecil E. Brown +2 more
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OSL dosimeters for dental panoramic radiography
Applied Radiation and Isotopes, 2018The aim of the present work is to determine dosimetric characteristics of commercial optically stimulated luminescence dosimeter (OSLD) to estimate equivalent dose in the patient undergoing panoramic radiography procedure. Digital panoramic unit "Instrumentarium OP200D" was used.
A. López-Valencia +5 more
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Blurring effects in rotational panoramic radiography
Oral Surgery, Oral Medicine, Oral Pathology, 1982Abstract A computer model was developed to investigate how accurately conventional expressions for unsharpness and layer thickness in rotational panoramic radiography approximate the situation encountered in real systems in which the rotational center slides and the effective projection radius varies continuously.
Ulf Welander +5 more
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The use of panoramic radiography in the medical center
Oral Surgery, Oral Medicine, Oral Pathology, 1968Abstract There are innumerable indications and applications for the panoramic radiographic examination of maxillomandibular structure and teeth. This procedure can be used in diagnosis, treatment planning, treatment, and follow-up service. In the medical center, the dentist should make it known that panoramic equipment is available if it is not ...
William R. Laney, Dan E. Tolman
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Visualizing the mandibular ramus in panoramic radiography
Oral Surgery, Oral Medicine, Oral Pathology, 1971Abstract Radiographic images of the adult mandibular ramus with its condyloid and coronoid processes are frequently distorted on Panorex radiographs taken in the conventional manner. This distortion is due to the relationship of the ramus to the focal trough and to the direction of the x-ray beam.
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Postoperative Maxillary Cysts in Panoramic Radiography
Dentomaxillofacial Radiology, 1978Panoramic radiographic findings of postoperative maxillary cysts are presented. According to linuma3 4, the cysts appear mainly as monolocular cystic radiolucencies, on or near the floor of the maxillary sinus in patients who have had an operation on the maxillary sinus 10 to 20 years previously.
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Digital panoramic radiography image quality: A comparison with film-based panoramic radiography [PDF]
Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology, 2005 N. Williams +2 more
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Midfacial fractures in dental panoramic radiography
Oral Surgery, Oral Medicine, Oral Pathology, 1984The purpose of the present study was to evaluate the ability of panoramic radiographs to demonstrate facial fractures. Radiographs of eighty-two patients were analyzed retrospectively in cases in which both panoramic and conventional skull radiographs were available.
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