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