Danb radiology exam practice questions and answers

Watch Something you would ask the patient to remove before exposing a panoramic radiograph on them Panoramic Type of film that allows the entire dentition to be viewed on a single film Caries Bitewings are usually used to detect these A larger region is recorded This is an advantage of a panoramic radiograph compared to an intraoral radiograph Waters technique You would use this extraoral radiograph of the maxillofacial region to evaluate the maxillary ethmoid sinuses Jaw relationships Cephalometric radiographs are primary only indicated to evaluate this CT Uses a narrow, fan shaped x-ray beam and rotates multiple times 360 degrees around a patient CBCT Uses a cone-shaped x-ray beam collimated to limit radiation exposure to a region that corresponds to the area of interest 8 The amount of size 2 image receptors required by most health care practices for the exposure of posterior radiographs of a full mouth series Kilovoltage Contrast on a dental x-ray can be altered by changing this Bisecting Technique DOES NOT produce the least amount of distortion Lead The type of foil used in the film packets Electronic Sensor The type of device digital radiography used to record images taken of the patients teeth Palatoglossal Air Space Appears as a radiolucency between the palate and the tongue when the tongue is not correctly positioned against the hard palate Mid-Sagittal plane perpendicular to the floor When taking a panoramic radiograph the patients head should be oriented with the Ammonium Thiosulfate Chemical that removes unexposed and any remaining underdeveloped silver halide crystals in the fixer Use different chemicals/Cannot use the same chemicals The automatic film processor and the manual processor Develop, rinse, fix, wash This is the correct processing sequence for manual processing Bitewing This intraoral radiographic technique images the coronal portions of the teeth and the alveolar crests of bone on both the maxilla and mandible on a single radiograph Increase vertical angulation This how to correct elongation Low level of developer This will cause the top films on the processing rack to have a straight, clear border on the upper edge. Lingual Mounting Method This is when radiographs are mounted so that the embossed dot is concave Maxillary Sinus This anatomical landmark helps determine a mandibular tooth from a maxillary tooth when mounting radiographs Offer to assist the patient in the manner that they want You should do this when performing radiographic services for the patient with a disability High temperature storage, Chemical contamination, defective safelight This causes fogging of an X-ray Heat and Humidity X-rays should be stored away from this Oxidation, loss of volume, loss of solution strength Replenished is added when necessary to the developing solution to compensate for these