Biomaterial Database

Artifacts due to movement in rotational panoramic radiography. 1983

I Sewerin

Image quality due to movement of the patient during the exposure is a common problem in conventional radiography. The resulting artifacts in the image are characteristic and easily identifiable blurring. The unique mechanics of image production and the prolonged exposure time used in rotational panoramic radiography can cause very different disturbances in the diagnostic image. The illustrations presented here are extreme examples of such artifacts, selected for clear illustration in a printed image. The challenge to the clinician is to identify the full spectrum of such distortions, from the obvious ones to the much more subtle effects of similar minor distortions that may not be so easily recognized as artifacts.

UI	MeSH Term	Description	Entries
D009068	Movement	The act, process, or result of passing from one place or position to another. It differs from LOCOMOTION in that locomotion is restricted to the passing of the whole body from one place to another, while movement encompasses both locomotion but also a change of the position of the whole body or any of its parts. Movement may be used with reference to humans, vertebrate and invertebrate animals, and microorganisms. Differentiate also from MOTOR ACTIVITY, movement associated with behavior.	Movements
D011856	Radiographic Image Enhancement	Improvement in the quality of an x-ray image by use of an intensifying screen, tube, or filter and by optimum exposure techniques. Digital processing methods are often employed.	Digital Radiography,Image Enhancement, Radiographic,Radiography, Digital,Enhancement, Radiographic Image,Enhancements, Radiographic Image,Image Enhancements, Radiographic,Radiographic Image Enhancements
D011862	Radiography, Panoramic	Extraoral body-section radiography depicting an entire maxilla, or both maxilla and mandible, on a single film.	Orthopantomography,Panoramic Radiography,Pantomography,Orthopantomographies,Panoramic Radiographies,Pantomographies,Radiographies, Panoramic
D006257	Head	The upper part of the human body, or the front or upper part of the body of an animal, typically separated from the rest of the body by a neck, and containing the brain, mouth, and sense organs.	Heads
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man