WC roentgen
who discovered x-rays
c edmund kells
who was the first person to make practical use of radiographs in dentistry
ionization
___ is the process by which electrons are removed from electrically stable atoms
tube head, PID, extension arm
the primary components of a dental xray machine are the __
cathode
the name of the negative electrode inside the xray rube is the
anode
the name of the positive electrode inside the xray tube is the
milliamperage selector (mA)
what is located on the xray machine control panel
99%
during the production of x-rays, how much energy is lost as heat
primary, secondary, scatter
what are the types of radiation
radiolucent
a structure that appears dark on a processed radiograph is
radiopaque
a structure that appears light on a processed radiograph
kVp
what exposure factor controls contrast
overall darkness of a processed radiograph
density is the
ionization
the name of the process for the harmful effects of xrays is
latent period
the period of time between xray exposure and the appearance of symptoms if the
genetic effect
radiations that is passed on to future generations is the
the tradition or standard system and the systeme internationale
___ is a system that is used to measure radiation
5.0rems/year
the maximum permissible dose of radiation for occupationally exposed person is
reduce the exposure of the primary beam and restrict the size of the primary beam
the purpose of the collimator is to
remove the low energy, low wavelength rays
the purpose of the aluminum filter is to
all patients
which patients should wear a lead apron and thyroid collar
to record the amount of radiation the operator recieves
whar is the purpose of personnel monitoring
to check for radiation leakage
what is the purpose of equipment monitoring
ALARA concept
what states that all exposure to radiation should be kept to a minimum or as low as reasonable achievable
to direct the xray beam
what is the purpose of using a position indicator device (PID)
bremsstrahlung radiation
what is the primary type of radiation produced in the dental xray tubehead
