X-rays are produced when a metal tungsten target is bombarded by a stream of electrons. Otto Walkoff. The X-rays are emitted in the tubehead and directed by the tubehead cone through the subject, producing an image on the film.
Dental radiology. All of these factors are interrelated and may be varied by the operator. The basic difference between X-rays and other electromagnetic rays is in their wavelength.
They cause certain substances to fluoresce glow. Within 10 years, radiographs were being used for diagnosis of medical and dental conditions, for X-ray therapy, and- for scientific studies.