An appropriate choice is made among the eight types of Fujifilm Industrial Radiographic Film according to the material and thickness of specimens, the kilovoltage or energy of radiation, and the required accuracy of inspection. teeth and adjacent tissues to include the periapical region. Photographic film with a nitrocellulose base was already being marketed by George Eastman. Extremely high radiation exposure must be used. Glass plates were used until World war I. Unusual to use on living patients. The image is stored on a sheet of radiographic film which is viewed based on the transmission of light through the film. • Elon is the product of aniline dyes and acts quickly to produce a visible radiographic image. (a) Periapical film is used primarily for radiographic examination of. A main component of film artifacts is human error, but manufacturing errors are also possible. radiographic film – radiographic film consists of a polyester base, coated with an emulsion of gelatine containing fine silver halide crystals. Radiographic film 1. Direct Exposure (Non-Screen Film) This film contains a single layer of emulsion and extremely fine grain silver halide crystals. 4 . Types of Film. The faster the film, the less radiation exposure that is required. black “lightning” marks resulting from films forcibly unwrapped or excessive flexing of the film… improper handling with hands; clear film. finger marks. The first x-rays were recorded on glass plates. Errors can occur at every step of the development process. These were coated with emulsion on one side only. It helps to develop shadow areas or shades of grey on the film and brings detail. History By the time x-rays were discovered, photography was already an art. intraoral film used to reveal different dental structures. This list includes the most common production errors. The film can be developed correctly, but handled incorrectly after the exposure process. Periapical, bite-wing, and occlusal are three types of. The speed of radiographic film represents the sensitivity of the emulsion to x-rays. (1) Intraoral film. Film radiography artifacts. 3. There are several types of image receptors used in dentistry. 2. Radiographic film artifacts are densities or areas of darkness that can impede X-ray interpretation. Films are best developed at 70°F for 5 min. The crystals are sensitive to X‐rays, ultraviolet and visible light, as well as physical pressure, chemicals and gasses. malfunction of the machine or placing the film in the fixer before developer solution; static electricity. Hydroquinone is temperature sensitive; it is inactive below 60°F and very active above 80°F. Direct Exposure(Non-Screen Film), Intensifying Screen Film, and Special Application Films. Radiographic film remains widely used image receptor. Types Of Radiographic Film. The exposure dose was quite high.