Radiographs are used in an oral diagnosis to detect all the following except?
Malocclusion
At what age should a full adult series be considered for a child?
9 years
Which of the following types of PIDs do not produce scatter radiation?
Rectangular and round
Three types of direct sensors are?
CMOS,CCD,CID
When using the occlusal technique, the film is positioned with the______side facing the arch that is being exposed,and the film is placed in the mouth
White, between the occlusal surfaces of the maxillary and mandibular teeth
For patients with bilateral impactions, the right and left lateral obliques have been replaced by?
Panoramic film
When x-ray exposure time is increased, there is____density of the radiographic
Increased
_______is the overall darkness or blackness of a radiograph?
Density
What person is responsible for the final and definitive interpretation of dental radiographs?
Dentist
Which device is used to assist in the position of the PID in relation to the tooth and film?
Beam alignment device
Which of the following statements is true?
If more film density is needed, the exposure time is shortened
The lead tubular device used to restrict the size and shape of the x-ray beam is the lead_____?
Collimator
An___is a lesion characterized by the a localized mass of granulation tissue around the apex of a non vital tooth; appears radiolucent;
Periapical granuloma
If the _____is not placed on the ____during a panoramic radiographic exposure, a radiolucent shadow will be superimposed over the apices of the maxillary teeth
Tongue, roof of the mouth
When the voltage is increased?
Electrons move from the cathode to the anode with more speed
Which of the statements is true regarding the direct theory of radiation injury?
It involves a direct hit and absorption of an x-ray photon within a cell
The minimum number of the exposure for a full mouth survey of radiographs would be?
14
Light leaks in a darkroom will cause?
Fogging of the film
When the occlusal technique is used,_____to stabilize the film
The patient gently bites on the surface of the film
The ____radiographic view shows the crowns of teeth of both arches on the film
Bitewing
______regulate the manufacture and installation of dental x-ray equipment
The federal government
What price of equipment is required to hold the film parallel to the long axis of the tooth in the paralleling technique?
Film holder
Which of the following statements is true regarding federal and state regulations on the use of dental x-ray equipment?
Most states have lawns that require inspections of dental x-ray equipment on a regular basis
Failure to obtain informed consent from a patient prior to exposure of dental radiographs can lead to charges of?
Negligence
Dental images are the property of the
Dentist
What should the dental assistant do if a patients refuses dental imaging?
Document in the patients record the fact the he or she refused recommended dental imaging
Quality assurance in the dental office is a way of ensuring that everything possible is being done to produce high quality diagnostic images and includes quality control
Test and administration procedures
According to the test for x-ray freshness, the film is fresh and has been properly stored and handles when the processed film appears clean with a slight____tint
Blue
The most critical component in film processing quality control is?
maintaining the freshness of the processing solutions
Developer strength can be checked by using?
reference image or step wedge image stepwedge image
For a film to properly processed, it should be left in a fixer solution , at full strength, for
2 minutes
Who is responsible for overall quality assurance in a dental practice?
Dentist
Following removal of an exposed film or PSP from a patients mouth, the film/PSP should be?
Wiped free of saliva using a dry 2x2 inch gauze sponge or paper towel
It is the responsibility of the_____to discuss the need for dental imaging?
Dentist
Which of the following must be disclosed to the patient before obtaining informed consent for dental radiographs?
risks and benefits of the images; person who will be exposing; and consequences of not having images
Dental records must contain documentation of the____of the dental images taken?
Number,type,quality
Calibration of dental x-ray equipment should be performed by?
A qualified technician
Following the completion of the film screen contact test,areas of good film screen contact will
to be in uniform
Quality control for the darkroom should include?
Checking for light leaks every 6 months, safelight testing, equipment testing
All of the following are true statements regarding the preparation of the operators for dental imaging except?
Barriers do not need to be used because spatter of blood and saliva is unlikely
A good protocol to follow for decreasing the contamination of dental imaging equipment and supplies is to?
gather all supplies needed before beginning the procedureuse overgloves if additional supplies are needed during the procedureask for help
Sterilized positioning instruments should be removed the packages
After the patient is seated
PSPs
are a major source of cross-contamination
Transportation PSP film should be done by placing them in
A black transfer box
Given normal use,processing solutions should be charged
Every 3 to 4 weeks
An administrative quality control plan
ensures that each individual is trained to perform assigned duties; maintains a written description of the quality insurance plan; and maintains records of control tests
A record-keeping log for processing solution does not need to include the?
Name of the solution used to clean the tanks
On what film would you find the Cotonou process??
Maxillary molar posterior
The portion of the target that is struck by electrons is called the?
Focal spot