ch 9 DT definitions

kilovolt power

The controlling factor in the production of electrons available for radiographs

filters

aluminum disks placed between the collimator and the tube window to remove weak

focal spot

the tubehead area where the central beam or primary ray is projected is the

anode

the positive pole in the tubehead that serves as a target for electron barrage is the

mA

abbreviation for the term milliampere

primary radiation

the central ray or beam of radiation emitting from the tube head or PID is

exposure time

the duration of interval when the current will pass through the x-ray tube is the

target object distance

the distance between the anode target and the object to be radiographed

effect of continual exposure to radiation

cumulative effect

green

the color of a rinn positing device used for endodontic work

sensitivity

ability of x-rays to penetrate and possibly ionize body tissues

erythema dose

radiation overdose that causes temporary redness of the skin

periapical

the type of film that is used to view the tooth crown, roots and surrounding structures

interproximal

another term for bite wing exposure

occlusal

size 4 radiograph packet would contain which film

safelight

which is not considered a basic safety precaution in exposure of radiograph

cephalmetric

radiographic films of particular use in orthodontics

contrast

variations of black and white colors on a radiograph

right angle tech

another name for the paralleling technique for radiograoh exposure

negative

if the PID is aimed in an upward position it is considered to be which angulation