Study sets, textbooks, questions
Upgrade to remove ads
Terms in this set (108)
Kilovoltage peak (kVp)
The maximum or peak voltage that is used during an x-ray exposure.
anything that occupies space and has form or shape
The blurred or indistinct area that surrounds an image
The most penetrating beam produced at the target of the anode
the ability to do work
Image produced on photosensitive film by exposing the film to radiation and then processing it
Effects of radiation that cause illness and are responsible for poor health (such as cancer, leukemia, and cataracts) but are not passed on to offspring.
High energy ionizing electromagnetic radiation
Time between exposure to ionizing radiation and appearance of symptoms
1/1000 of an ampere, a unit of measurement used to describe the intensity of an electric current
is a minute bundle of pure energy that has no weight or mass
the emission of energy in the form of waves through space or a material
a form of ionizing radiation is the
The negative electrode in the x-ray tube
The positive electrode in the x-ray tube
Tiny, negatively charged particles found in the atom
Effects of radiation that are passed on to future generations through genetic cells
the amount of energy absorbed by tissue is its
a film based or digitally produced recording of an anatomic structure is an
is radiation that produces ionization
is the science or study of radiation as used in medicine
is the differences in degrees of blackness of a radiograph
A filmless method of capturing an image and displaying it by using an image sensor, an electronic signal, and a computer to process and store the image.
is a recording medium for images such as a film or sensor
A focal spot in the anode
is a concept of radiation protection holding that all exposures should be kept "as low as reasonably achievable"
is the overall darkness or blackness of a radiograph
The making of radiographs of the teeth and adjacent structures by the exposure of film to x-rays
an electrically charged particle
is an electronic signal captured by sensors and displayed on computer monitors
a radiograph that shows the crown, root tip, and surrounding structures is a
is determined by the sensitivity of the emulsion on the film to radiation
Film designed for use in cassettes
Film designed for placement in the patients mouth
Film holding devices
used to hold the film in position in the patients mouth
are faults that occur on the radiograph during processing
Film designed for use in film duplicating machines
Colored side of the film that faces the tongue
Radiograph that shows large areas of the maxilla and mandible
Solid white side of the film packet that faces the x-ray tube.
charge-coupled device (CCD)
A solid-state image sensor used in intraoral digital imaging
Process of using electronic transfer of images and other information for consultation and/or insurance purposes in dentistry.
shows the crowns of both arches on one film
A coating on the x-ray film that contains energy-sensitive crystals
Beam alignment device
are used to indicate the location of the position indicator device (PID) in relation to the tooth and film
is a method of film processing that uses film racks and processing tanks
Dark or black spots on film
developer contacts film before processing, example: developer spots
white spots on film
fixer comes in contact with film before processing, example: fixer spots
Black, crescent-shaped marks on film
film emulsion damaged by operators fingernail during rough handling, example: fingernail artifact
yellow/brown color on film
exhausted developer or fixer, example: yellow-brown stains
straight black border on film
unfixed part of film from low level of fixer, example: fixer cutoff
who discovered X-rays?
..... is the process by which electrons are removed from electronically stable atoms
Name the negative electrode inside the x-ray tube
what is located on the x-ray machine control panel?
Milliamperage (mA) selector
what are the types of radiation?
primary, secondary, scatter
A structure that appears light on a processed radiograph is termed
the period of time between x-ray exposure and the appearance of symptoms is the
what are the systems to measure radiation?
the traditional or standard system AND systeme internationale
the maximum permissible dose of radiation for occupationally exposed persons is
radiation that is passed on to future generations is the
The name of the process for the harmful effects of x-rays
What exposure factor controls contrast
a structure that appears dark on a processed radiograph is termed
During the production of x-rays, how much energy is lost as heat?
Name the positive electrode inside the X-ray tube
the primary components of a dental x-ray machine are the
tubehead, PID, and extension arm
who was the first person to make a dental radiograph?
density is the
overall darkness of a processed radiograph
the purpose of the collimator is to
reduce the exposure of the primary beam and restrict the size of the primary beam
the purpose of the aluminum filter is to
Remove the low energy long wavelength rays
what is the purpose of personnel monitoring?
To record the amount of radiation the operator receives
which patients should wear a lead apron and thyroid collar?
what is the purpose of equipment monitoring?
To check for radiation leakage
what states that "all exposure should be kept to a minimum" or "as low as reasonably achievable"
what is the primary radiation produced in the dental x-ray tubehead?
Which side of the film faces toward the tube
what size film is used for occlusal radiographs?
What converts x-ray energy into visible light
what is the second step involved in manual processing of dental radiographs?
indirect digital imaging involves the use of a
phosphor storage plate (PSP)
the image on the film before it is processed is the
name a component of an intraoral film
how should x-ray film be stored
away from light
how do positioning instruments protect the patient from unnecessary radiation?
it keeps the patients hands and fingers from being exposed to radiation
what size film is used for posterior periapical radiographs on an adult patient?
name the types of extraoral film cassettes
flexible and rigid
when would you need to duplicate a radiograph?
To send to an insurance company and to refer a patient to a specialist
Where is the expiration date on a package of x-ray film
outside the box
what is the optimum temperature for the water in the manual processing tanks?
which of the following is not an advanatage of extraoral radiographs?
they show a close-up image of something
what is a major advantage of automatic film processing?
it saves time
the control panel contains the master switch, exposure button, indicator light and selector buttons
secondary radiation is the most harmful radiation to both the patient and the operator
disproportionate changes in size of images caused by incorrect incorrect vertical angulation are elongation and foreshortening
both ADA and the US food and drug administration recommend to double apron any female of child bearing age or pregnant female when exposing dental x-rays
the newest and fastest film currently available is....
choose the correct sequence of processing
developing, rinsing, washing, drying
best temperature for developer solution to occur rapidly is between .. and ..
80 degrees and 95 degrees
to help with diagnosing a periapical abscess you would take what kind of X-ray?
describe the basic type of image receptor
bite block with a backing plate and a slot for film sensor retention
the ... is the focal spot in the anode?
the amount of energy absorbed by tissues is
anything that occupies space and has form or shape is
the ability to do work takes what?
the .. is determined by the size of the silver halide crystals, thickness, of emulsions, and the presence of special radia sensitive dyes
all of the following are critical organs EXCEPT
muscle is NOT a critical organ
critical organs: thyroid gland, lens of the eye, bone marrow
the control panel contains the master switch, exposure button, indicator light, and selector buttons
Sets with similar terms
Chapter 38test 1
Chapter 38 Workbook
Other sets by this creator
DA test 102