chapter 7 radio
tubehead
contains x-ray tube that produces x-rays
extention arm
allows for movement and postioning of the tubehead
control panel
regulate the x-ray beam
control panel may be mounted on a floor, wall support or a remote wall location outside of the dental aperatory
control panel consist of
turn on/off switch
mA
kv
exposure button
timer
the main componant of an extraoral machine consist of
tubehead; postioning devices for the lateral head, chin, forehead, and interior teeth; and exposure control panel
exposure time may range from
a few moment up to 20-30 seconds
receptor holder
used to hold and align intraoral dental x-rays receptors in the mouth
receptor holder eliminate the need for patient to stablize the receptor
beam alignment device
is used to help the dental radiographer postion the PID in relation to the tooth and the receptor
in dental radiography a sensor is held in place by
by a bite-block
a beam alignment device
is used to stabilize and secure the digitial sensors
the instrument are used in
the interior region
yellow intrument is used in
posterior region
red inturment is used with
bite-wing techniques