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Stained or streaked film may be caused by: incomplete washing, dirty solutions, and dirty film holdersWhich type of intraoral radiographic film should be used to obtain information concerning the entire tooth and adjacent tissues: PeriapicalAll of the following are standard structureal parts of the x-ray maching EXCEPT: CurrentThe embossed dot that appears on dental x-ray film is raised spot which aids in identifying: the correct anatomical order for mounting purposesAn underexposed image, or an image that is too light, may be caused by: Using a development solution that is too coldThe size of the standard periapical film used in the Army is: 1 ¼x 1 5/8After removal from the developer solution during manual processing, what is the minimum time the film should remain in rinse water before it isplaced in the fixing silution: 20 secondsPlacing the film in a fixing solution before placing it in the developing silution may result in: No image
The emulsion of x-ray film consists of a thin coating of gelatin in which minute particles of ___ compound are incorporated: SilverWhich exposure techniques require the use of some type of film holder when periapical radiographs are being made: Bisecting angleWhich type of radiograph shows a continuous view of the lower half of the face: panoramicExposure times are best calculated by carefully following: Film manufacturers directionsWhen making periapical radiographs of the maxilla using the bisecting angle technique, the head should be positioned so that the occusal surfacesof the maxillay teeth are: HorizontalWhen making occlusal radiographs, mandibular views are taken through the: chin or body of the mandibleExcessive bending of the film packet may result in an image that is: DistortedWhen positioning the patient’s head for radiographic procedures, what should you do to minimize movement during exposure: make the patientas comfortable as possibleWhen the paralleling (long- cone) periapical technique is used, the target-film distance should be approximately: 16 inchesAn aluminum filter or dish is placed in the path of the x-ray beam to absorb the: long wavelength x-raysThe fixing solution removes the: unexposed silver crystalsIf standard bite-wing film is not available, standard periapical film can be substituted when used with: paper adaptersFailure to immerse the film completely in the developing solution during manual processing will cause a: Partial imageBite-wing film is mainly used to obtain radiograph of: CariesIn positioning the head for radiography of the mandible using the bisecting angle technique, the occlusal surfaces of the mandibular teeth must bein a horizontal plave. This is accomplished when a line from the ___ is horizontal: tragus of the ear to the corner of the mouthWhich of the following is an effect that ionizing radioation has upon a cell: Mutated cell formation, toxis substances, and cell deathFrom the anatomic landmark given below, select the one that is radiolucent: incisive foramen