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Dental radiographs, commonly known as X-rays, are radiographs used to diagnose hidden dental structures, malignant or benign masses, bone loss, and cavities. A radiographic image is formed by a controlled burst of X-ray radiation which penetrates oral structures at different levels, depending on varying anatomical densities, before striking the ...
ConeBeam computerized tomography image of a post-operative orthognathic surgery. Oral and maxillofacial radiology, also known as dental and maxillofacial radiology, or even more common DentoMaxilloFacial Radiology, is the specialty of dentistry concerned with performance and interpretation of diagnostic imaging used for examining the craniofacial, dental and adjacent structures.
A panoramic radiograph is a panoramic scanning dental X-ray of the upper and lower jaw.It shows a two-dimensional view of a half-circle from ear to ear. Panoramic radiography is a form of focal plane tomography; thus, images of multiple planes are taken to make up the composite panoramic image, where the maxilla and mandible are in the focal trough and the structures that are superficial and ...
The World Dental Federation guidelines highlight that operators of dental radiography equipment must be sufficiently trained and qualified. When operating equipment, the staff member should be at least two metres away from the source, clear from the primary beam and behind a protective shield or wall where possible. [ 2 ]
In 1909, Charles A. Clark described a radiographic procedure for localizing impacted teeth to determining their relative antero-posterior position. [1] If the two teeth (or, by extension, any two objects, such as a tooth and a foreign object) are located in front of one another relative to the x-ray beam, they will appear superimposed on one another on a dental radiograph, but it will be ...
Cephalometric analysis depends on cephalometric radiography to study relationships between bony and soft tissue landmarks and can be used to diagnose facial growth abnormalities prior to treatment, in the middle of treatment to evaluate progress, or at the conclusion of treatment to ascertain that the goals of treatment have been met. [5]
Most cysts are discovered as a chance finding on routine dental radiography. [7] They are often asymptomatic unless there has been long-standing with significant enlargement (causing bony expansion or egg-shell cracking feeling [7]) or secondary infection. On an x-ray, cysts appear as radiolucent (dark) areas with radiopaque (white) borders. [7]
Clarence Edmund Kells Jr. (1856–1928) was an American dentist and inventor who is sometimes described as "the father of dental radiography".He practiced dentistry in New Orleans for 50 years and held about 30 patents for dental and electrical devices.