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RHS flash cards

TermDefinition
unexposed film appearance clear film w/a brush tinge
film exposed to white light appearance film appears black
over expoed film appearance film appears dark
under exposed film film appears white
premolar bite-wing must include distal 1/2 canine,all premolars presentand 1st molars of the mx and md teeth ,and 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 and distorted(all or portion of it)
film creasing appearance a thin radiolucent dark line appears
phalangloma appearance patients finger appears
double exposure two images are superimpose on top of eachother
patient movement film is distorted or blurred
incorrect vertical angulation short teeth w/blunted roots appear(foreshortened)
dropped film corner the occlusal plane appears tipped or tilted
incorrect film placement no apices on film
molar bitewing must include distal 1/2 of second premolar all molars present,and both MX and MD molar,and crestal bone
reversed film light images w/ a herringbone pattern appear on the film
xray machine purpose (2)1-produce quality radiographs,2- detection of disease and lesions for diagnostic purposes
federal regulations-1974 US FDA standardized all manufacturing of radiographic dental equipment
federal regulations - 1968 radiation control for health and safety act: standardize performance of xray equipment
state gov't reulations determine when and how dentall equipment is monitored MN-mandotory every 2 years
tube head or tube housing used to produce x-rays
extension arm used to suspend tubehead, house electrical wires, and allows movement in all directions and positioning of the xray tubehead
control panel used to allows for regulation xray beam, control electricsl current for generation of xrays and house control buttons and setting
kVp 65-100 kVp range-peak of energy
mA 7-15 range-amount
exposure time 1/60th of a second -standard and 1/100th of a second -digital
collimator lead diaphragm used to restrict the size of the xray beam(round,rectangular,cone)
xray film holders stabe(styrofoam bite block,simpllest)xcp, bite tab, eeze grip , etc.
beam alignment device used to help the radiographer position the PID in relationship to the tooth and film
xray beam of energy
image picture or likeness of an object
receptor something that responds to a stimulus (film-sensor-(psp)phosphor storage plates
film composition film base,adhesice layer,film emulsion,protective layer
film emulsion purpose and mixture to give film greater sensitivity to x-radiation halide crystals
latent image stored image not visible on the film
purpose of lead foil sheet to prevent film fogging from scatter radiation
periapical examines the entire tooth
bitwing examines the interproximal surfacesof crowns of both MX and MD teeth w/ crestal bone
occlusal examines large area
tyes of intra-oral radiographic examination periapical , interpoxiamal,and occlusional
periapical(purpose,film type,technique) (purpose,film type,technique)used to examine entire tooth and supporting bone, periapical film, paralleling and bisecting technique
interproximal(purpose,film type,technique) examine the crown of both the mx and md teeth on a single film,and adjacent surfaces of teeth and crestal bone,bite-wng film,bute-wing technique
occlusal(purpose,film type,technique) examine large areas of the mx and md on a single film,occlusal film,occlusal technique.
Created by: aileen.nunez
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