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RHS STATE FLASH CARD
Term | Definition |
---|---|
Unexposed Film Appearance | clear film w/a blush 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 MX & 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 (all or portion of the film) |
Film Creasing Appearance | a thin radiolucent (dark) line appears on the film (usually straight) |
Phalangioma Appearance | patients finger appears on the film image |
Double Exposure Appearance | two (double) images are superimpose on top of each other |
Patient movement Appearance | film image is distorted or blurred |
Incorrect Vertical Angulation Appearance | short teeth w/blunted roots appear on the film (foreshortened) |
Dropped Film Corner Appearance | the occlusal plain 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 w/a herringbone pattern appear on film |
X-ray Machine purpose:2(1) | 1- produce quality radiographs 2-detection of disease & lesions for diagnostic purposes |
Federal Regulations-1968 | Radiation Control for Health & Safety Act: Standardize performance of X-ray equipment |
Federal Regulations-1974 | US FDA standardized all manufacturing of radiographic dental equipment (all machines must meet this) |
State Gov't Regulations determine when & how dental x-ray equipment is monitored | MN-mandatory every 2 years |
Tube head or Tube housing used to | produce x-rays |
Extension arm used to | suspend tubhead, house electrical wires, & allow movement in all directions & positioning of the x-ray tubhead |