Chapter 40
Once films are removed from the mouth, they are considered contaminated and should be:
handled only with gloved hands
PSP requires ___ radiation then exposure film
less
The most critical component in film processing quality control is __________.
maintaining the freshness of the processing solutions
which of the following stement is true regarding federal and state regulations on the use of dental x-ray equipment?
most states have laws that require inspection of dental x-ray equipment
A record keeping log for processing solution does not need to include the
name of the solution used to clean the tanks (Needed are: Date of solution replacement, Date the tanks were cleaned)
failure to obtain informed consent from a patient prior to exposure of dental radiographs can lead to charges of
negligence
Should you use a cassette that has scratches
no
dental records must contain documentation of the ___ of dental images taken
number type quality All are correct
Fresh fixer film at full strength should produce a clear film within
2 minutes
For a film to be properly processed, it should be left in a fixer solution, at full strength, for
3 min
Who can be legally liable for a dental assistant actions
Both the dentist and assistant
Dental radiographs are owned by the
Dentist
It is the responsibility of the __ to discuss the need for dental imaging
Dentist
Who is responsible for overall quality assurance in a dental practice
Dentist
When should you check a box of film for freshness
Each time you open a new box
A patient's signing of an x-ray refusal releases the dentist from liability.
False
The lead apron is considered a low-contamination item and should be disinfected weekly.
False
The dental film packet should be sterilized after wiping the saliva off of it.
False- do not sterilize it
A properly functioning view box is not necessary for the interpretation of dental radiographs
False- it IS necessary
Which of the following are sources of disease transmission during dental radiography?
Film packets Control panels Dental chair controls
What is the most critical areas of a quality control program?
Film processing and must be monitored on a daily basis
How can you tell when the fixer is losing it's strength
Films take longer to clear
which of the following must be disclosed to patient before obtaining informed consent for dental radiographs
Risks and benefits of the images Person who will be exposing Consequences of not having images All of the above
What are quality control tests
Specific test that are used to monitor dental x-rays equipment supplies and film processing
What surfaces must be covered with a barrier?
Surfaces that are not easily cleaned and disinfected
What is the purpose of the coin test
To check the safelight
After exposure, each mount should be labeled with the patient's name and the date.
True
Disinfecting solutions may cause damage to the electrical connections of the radiographic equipment.
True
Film-holding instruments and bite-blocks that are placed in the patient's mouth are considered semicritical items and must be sterilized or high-level disinfected before reuse.
True
How do you sterilize sensors
You cannot sterilize sensors
Sterilized positioning instruments should be removed from the packages:
after the patient is seated
All the following are true statements regarding the preparation of the operatory for dental imaging except
barriers do not need to be used because spatter of Blood/saliva is not expected
Quality control for the dark room should include
checking for light leaks every 6 months safelight testing equipment testing all are correct
Documentation of all dental imaging must include all of the following information EXCEPT the
date the film processing solutions were changed
What should the dental assistant do if a patient refuses dental imaging
document in the pts record the fact that he or she refused xrays
Given normal use, processing solutions should be changed:
every 3 to 4 weeks
how often should processing solutions be changed
every 3-4 weeks (more often if more films are being produced since it weakens the solution faster)
Which of the folloing is a critical area in a quility control program
film processing
To determine if dental x-ray film is fresh
process the film using fresh chemicals. check the expiration date on the box.
A way to ensure that high-quality diagnostic are produced is by having
quality assurance
Quality assurance is a way of ensuring that everything possible is being done to produce high quality
test and administration procedures
All the following are true regarding the transfer of dental images except
the originals are sent (the originals should never be transfered, should be kept in chart)
Why are a reference radiograph and a stepwedge used
to check the densities and contrast
Regulations regarding certification for dental assistants in radiography:
vary from state to state
Infection control-what should you do after each exposure
wipe excess saliva from the film using a paper towel
Dental radiographic equipment that should receive a protective barrier includes the
x-ray machine
Following the exposure of radiographs
*all contaminated items should be disposed. *positioning devices should be placed in the designated contaminated items area. *the lead apron can be removed after hands are washed.
The American Academy of Dental Radiography recommends annual tests for dental radiograph machines designed to identify minor malfunctions including
*variations in radiation output. *inadequate collimation. *tubehead drifting. *inaccurate kilovoltage and milliamperage readings.
What are the 3 major catagories of legal consideration regarding use of imaging
1. Federal & state regulations regarding x-ray equipment and it's use 2. Licensure for individials who expose dental images 3. Risk management to reduce the chances of a patient taking legal action
According to the American Academy of Dental Radiology what test are designed to identify minor malfunctions
1. Variations of radiation output 2. inadequate collimation 3. Tubehead drifting 4. errors in timing and 5. inaccurate kilovoltage and milliamperage reading
how often should processing solutions be replenished
Daily