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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 film or sensor.
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 ...
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.
Data derived from principal component analysis of radiographic images show that children with mild hypodontia may display significant increase of the interincisal angle and decrease in the maxillary and mandibular incisor angles. Cephalometric tracing is commonly used to study a patient's dentofacial proportions in the craniofacial complex.
Males tend to have larger teeth than females, [1] and tooth size also varies by race. [1] Abnormal tooth size is defined by some as when the dimensions are more than 2 standard deviations from the average. [1] Microdontia is when the teeth are abnormally small, and macrodontia is when the teeth are abnormally large.
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Supernumerary teeth may be detected by taking two different dental X-rays at different angles. Examples of this may be an intra-oral X-ray (one that is taken inside the mouth) and a panoramic radiograph. However, these X-rays are 2D and therefore do not accurately portray the 3D view of the teeth. [2]
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