RHS Flash Cards Word Scramble
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| Term | Definition |
| Unexposed Film Appearance | clear film with a bluish tinge |
| Film Exposed to White Light Appearance | film appears black |
| Over Exposed Film Appearance | film appears dark |
| Under Exposed Film | film appears light |
| Premolar Bite-Wing must include... | Distal 1/2 canine, all premolars present & 1st molars of the and MD teeth, & crestal bone |
| incorrect Horizontal Angulation Appearance | overlapped contact areas appear on the film |
| cone-cut Appearance | a clear, unexposed area on the film |
| Film Bending Appearance | film appears stretched & distorted |
| Film Creasing Appearance | a thin radiolucent line appears on the film |
| Phalangioma Appearance | patients finger appears on the film |
| Double Exposure Appearance | two images are superimpose on top of each other |
| Patient movement Appearance | film image is distorted or blurred |
| Incorrect Vertical Angulation Appearance | short teeth with blunted roots appear on the film |
| Dropped Film Corner Appearance | the occlusal plane appears tipped or tilted |
| Incorrect Film Placement Appearance | no apices on the film |
| Molar Bite-Wing must include... | Distal 1/2 of second premolar, all molars present & both MX & MD molars & crestal bone |
| Reversed Film Appearance | light images with a herringbone pattern appear on the film |
| X-ray Machine Purpose | produce quality radiographs and detection of disease & lesions for diagnostic purposes |
| Federal Regulations | 1968 Radiation Control for Health & safety Act: Standardize performance of x-ray equipment |
| Federal Regulations | 1874 US FDA standardized all manufacturing of radiographic dental equipment |
| State Gov't Regulations determine when & how dental x-ray equipment is monitored | mandatory every 2 years |
| Tube head or tube housing used to... | produce x-rays |
| Extension arm used to | suspend tube head, house electrical wires & allows movement in all directions & positioning of x-ray tube head |
| Control panel used to... | allows fro regulation x-ray beam, control electrical current for generations of X-rays, & house control buttons and settings |
| kVp | 65-100 kVp range - peek of energy |
| mA | 7-15 range- amount |
| Exposure time | 1/60th of second - standard & 1/100th of a second - digital |
| Collimator | lead diaphragm used to restrict the size of the x-ray beam (round, rectangular, cone) |
| X-ray film holders | stable (styrofoam bite block, simplest) XCP, Bite tab, EEZE grip, etc. |
| Beam Alignment Device | used to help the radiographer position the PID in relationship to the tooth and film |
| X-ray | beam of energy |
| Image | picture or likeness of an object |
| Receptor | something that responds to a stimulus |
| Film Composition | film base, adhesive layer, film emulsion, protection layer, |
| Film emulsion purpose & mixture | to give film greater sensitivity to x-radiation, homogeneous mixture of gelatin and silver halite crystals |
| Latent Image | stored image not visible in film |
| Purpose of Lead Foil Sheet | to prevent film fogging from scatter radiation |
| Periapical | examines the entire tooth and surrounding structure |
| Bitewing | examines the inter proximal surfaces of the crowns of both MX & MD teeth with cresal bone |
| occluscal | examines large area of MX or MD jaw |
| Types of Intra-Oral radiographic examination | periapical, interproximal, occlusal |
| Periapical | used to examine the entire tooth and supporting bone, periapical film paralleling and bisecting technique |
| Interproximal | examine the crown of both the mix and md teeth on a single film, and adjacent surfaces of teeth and cresal bone, bite-wing film, bite-wing technique |
| Occlusal | examines large areas of the mx or md on a single film, occlusal film , occlusal technique |
Created by:
maressao